Description: Major crude oil pipelines in the United States and selected crude oil pipelines in Canada as of January 2020. Layer includes interstate trunk lines and selected intrastate lines but excludes gathering lines. Based on publicly available data from a variety of sources with varying scales and levels of accuracy. This dataset is not intended to be viewed beyond 1:1,000,000 scale.
Copyright Text: U.S. Energy Information Administration
Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS
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Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS
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Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS
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Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS
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Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS
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Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS
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Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS
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Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS
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Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS
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Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS
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Own_Type (type: esriFieldTypeString, alias: Owner Type, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [FED: Federal], [TRIB: American Indian Lands], [STAT: State], ... 8 more ...)
Own_Name (type: esriFieldTypeString, alias: Owner Name, SQL Type: sqlTypeOther, length: 70, nullable: true, editable: true, Coded Values: [TVA: Tennessee Valley Authority], [BLM: Bureau of Land Management], [BOEM: Bureau of Ocean Energy Management], ... 41 more ...)
Mang_Type (type: esriFieldTypeString, alias: Manager Type, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true, Coded Values: [FED: Federal], [TRIB: American Indian Lands], [STAT: State], ... 8 more ...)
Mang_Name (type: esriFieldTypeString, alias: Manager Name, SQL Type: sqlTypeOther, length: 70, nullable: true, editable: true, Coded Values: [TVA: Tennessee Valley Authority], [BLM: Bureau of Land Management], [BOEM: Bureau of Ocean Energy Management], ... 41 more ...)
Description: The RCLAM_VOL2 depicts known razor clam habitat areas within the Kachemak Bay and Tugidak Island areas. This data was digitized from mylar original maps from the Kachemak Bay and Fox River Flats Critical Habitat Areas Management Plans (1993) and updated Alaska Habitat Mangement Guides bluelines from area biologists (1997 AND 1999). Data for the following categories were captured: Known concentrations - areas where concentrations of razor clams have been observed. Data exists only for the Kachemak Bay and the Tugidak Island areas; data are not continuous along the coast. For polygon data at Clam Gulch see coverage CLAMSP from the NOAA directory which is part of the MESA dataset.
Description: The HCLAM_LNVOL2 depicts known hardshell/softshell clam habitat areas within Kachemak Bay. This data was digitized from mylar original maps from the Kachemak Bay and Fox River Flats Critical Habitat Areas Management Plans (1993) and updated bluelines from area biologists (1997 and 1999). Data for the following categories were captured: Known concentrations - areas where concentrations of hardshell/softshell clam have been observed. Data in this coverage exists only for the Kachemak Bay area; data are not continuous along the coast. This coverage contains only line data for hardshell/softshell clams. For polygon data in this area see HCLAMVOL2.
Description: The HSEALPT_VOL2 is a subset of harbor seal haulout data produced by EMCON. Please refer to the metadata written for their harbor seal and sea lion data for further information.
Description: TCRAB_VOL2 depicts known tanner crab habitat areas within Kachemak Bay. This data was digitized from an updated map provided by area biologist, R. Gustafson (ADF&G 2000). Data for the following categories were captured: Known concentrations areas - areas where concentrations of tanner crab have been observed. Data exists only for the Kachemak Bay area; data are not continuous along the coast.
Description: The SHRIMP_VOL2 depicts known shrimp habitat areas in two environmentally sensitive areas along the Southwestern coast of Alaska. This data were digitized from mylar original maps from the Alaska Habitat Management Guides (1985) and updated bluelines from area biologists (1997). Data for the following category was captured:
Known egg hatch/rearing concentration areas - areas where concentrations of eggbearing females and juvenile shrimp have been observed.
Data were digitized at the 1,000,000 scale and contains shrimp data for only those two specific sensitive areas identified as MESAs; data are not continuous along the coast. For a complete list of MESA areas with shrimp data in this coverage please see the metadata section on data quality.
Description: The SEAOTTER_VOL2 depicts known sea otter habitat areas in six environmentally sensitive areas along the Southwestern and Southeastern coast of Alaska. This data was digitized from mylar original maps from the Alaska Habitat Management Guides (1985 & 1986), and updated bulelines from area biologists (1997). Data for the following categories were captured: Known concentrations areas - areas where concentrations of sea otters have been observed during more than one year. Data for six other MESAs with sea otter information are contained in coverages from EMCON and Dames and Moore which are part of the MESA data set. Data in this layer exists only for those 1:250000 quads that contain six specific sensitive areas identified as MESAs with sea otter data; data are not continuous along the coast. For a complete list of six MESA areas with sea otter data contained in this data layer please see the meatadata section on data quality.
Description: The HCLAM_VOL2 depicts known hardshell/softshell clam habitat areas within Kachemak Bay. This data was digitized from mylar original maps from the Kachemak Bay and Fox River Flats Critical Habitat Areas Management Plans (1993) and updated bluelines from area biologists (1997 and 1999). Data for the following categories were captured: Known concentrations - areas where concentrations of hardshell/softshell clam have been observed. Data exists only for the Kachemak Bay area; data are not continuous along the coast.
Description: The CRAB_VOL2 depicts known Dungeness crab habitat areas within Kachemak Bay. This data was digitized from mylar original maps from the Kachemak Bay and Fox River Flats Critical Habitat Areas Management Plans (1993) and updated bluelines from area biologists (1997). Data for the following categories were captured: Known rearing concentrations areas - areas where concentrations of larval and juvenile life stages of Dungeness crab have been observed. Data exists only for the Kachemak Bay area; data are not continuous along the coast.
Description: The BLUE_MUSSEL_VOL2 depicts known blue mussel habitat areas within Kachemak Bay. This data was digitized from mylar original maps from the Kachemak Bay and Fox River Flats Critical Habitat Areas Management Plans (1993) and updated bluelines from area biologists (1997 and 1999). Data for the following categories were captured: Known concentrations - areas where concentrations of blue mussels have been observed. Data exists only for the Kachemak Bay area; data are not continuous along the coast.
Description: The EULACHON_VOL2 depicts known eulachon habitat areas in six environmentally sensitive areas along the Southeast coast of Alaska. This data was digitized from mylar original maps from the Alaska Habitat Management Guides (1986), and updated bluelines from area biologists (1997). Data for the following categories were captured: Known spawning concentration areas - areas where concentrations of spawning eulachon have been observed during more than one year. Data exists only for those 1:250000 quads that contain six specific sensitive areas identified as MESAs with eulachon data; data are not continuous along the coast. For a complete list of MESA areas with eulachon data please see the metadata section on data quality.
Description: The BIRDVOL2 depicts known waterfowl and shorebird habitat areas in twenty environmentally sensitive areas along the Southwestern, Southcentral and Southeast coast of Alaska. This data are a combination of duck and geese data (Southwest and part of Southcentral) or waterfowl and shorebird data ( parts of Southcentral and Southeast) digitized from mylar original maps from the Alaska Habitat Management Guides (1985 & 1986), special areas management plan maps and updated bluelines from area biologists (1997 and 1999). Data for the following categories were captured: Known spring concentrations - areas where concentrations of one or more species of waterfowl have been observed during spring migration for more than one year. Known spring and fall concentrations - areas where concentrations of one or more species of waterfowl or shorebird have been observed during spring and fall migration for more than one year. Known rearing concentrations - areas where concentrations of one or more species of rearing waterfowl have been observed during more than on year. Known nesting concentrations - areas where concentrations of one or more species of nesting waterfowl have been observed during more than one year. Known fall concentations - areas where concentrations of one or more species of waterfowl have been observed during fall migration for more than one year. Known molting concentrations - areas where concentrations of one or more species of molting waterfowl have been observed during more than one year. Waterfowl types are described as dabblers, divers and geese. Data exists only for those 1:250000 quads that contain 20 specific sensitive areas identified as MESAs containing bird data; the data are not continuous along the coast. For a complete list of MESA areas containing bird data in this coverage please see the metadata section on data quality. Data for five other MESAs containing waterfowl information are contained in coverages from EMCON and NOAA which are part of the MESA dataset.
Description: The GROUNDFISH_VOL2 depicts known goundfish and Pacific halibut habitat areas within Kachemak Bay. This data was digitized from mylar original maps from the Kachemak Bay and Fox River Flats Critical Habitat Areas Management Plans (1993) and updated bluelines from area biologists (1997). Data for the following categories were captured: Known rearing concentrations areas - areas where concentrations of juveniles of one or more species of groundfish or halibut have been observed. Data exists only for the Kachemak Bay area; data are not continuous along the coast.
Description: SLIONVOL2_DM depicts known sea lion concentrations within the selected environmentally sensitive areas of Semidi Islands, Perenosa Bay/Seal Bay, Marmot Island, and Barren Islands and is a subset of data prepared for Kodiak Island Borough by the Dames and Moore Group (URS Corp.). The original data set was compiled by presenting the Alyeska Pipeline Service Company Graphical Resource Database (GRD) developed by EMCON Alaska, Inc. as preexisting information to local residents within the Kodiak Island Borough. The data used to compile the GRD was largely based on Alaska's Wildlife and Habitat and Resource Habitat Guides (ADFG, 1973, ADFG, 1985). The base map used for the development of the resource maps was provided by the Kodiak Island Borough, from the KIB's Geographic Information System Oracle relational database. Resource information from the GRD were combined with the KIB base map data and data collected by Dames and Moore (URS Corp.) to make sets of maps that were taken to rural communities and focus group meetings for incorporation of local information. Community meetings were held in six rural communities on Kodiak Island: Akhiok, Karluk, Larsen Bay, Old Harbor, Ouzinkie, and Port Lions. After these meetings, the maps were revised to include local information.
Description: HSEALVOL2_DM depicts known seal concentrations in environmentally sensitive areas along the Southwestern and Southcentral coast of Alaska. it updates the Alyeska Pipeline GRD data only within the selected areas of Tugidak Island, Marmot Island, Barren Islands, Semidi Islands, and Perenosa Bay/Seal Bay with data from AutoCad dxf files developed by the Kodiak Isalnd Borough. The updated Kodiak Island Borough data was compiled by presenting the Alyeska Pipeline Service Company Graphical Resource Database (GRD) developed by EMCON Alasak,Inc. as reexisting information to local residents within the Kodiak Island Borough. The data used to compile the GRD was largely based on Alaska's Wildlife and Habitat and Resource Habitat Guides ( ADF&G, 1973, ADF&G, 1985). The base map used for the debelopment of the resource maps was provided by the Kodiak Island Borough, from the IKB's Geographical Information System Oracle relational database. Resource information from the GRD were combined with the KIB base map data and data collected by Dames and Moore (URS Corp.) to make sets of maps that were taken to rural communities and focus group meetings for incorporation of local information. Community meetings were held in six rural communities on Kodiak Island: Akhiok, Karluk, Larsen Bay, Old Harbor, Ouzinkie, and Port Lions. After these meetings, the maps were revised to include local information.
Description: The BWHALE_VOL2 depicts known beluga whale habitat areas in four environmentally sensitive areas along the Southcentral coast of Alaska. This data was digitized from mylar original maps from the Alaska Habitat Management Guides (1986), special areas management plans and updated bluelines from area biologists (1997) and updated in 1999 (Matt Eagleton,National Marine Fisheries Service). Data for the following categories were captured: Known spring/summer/fall concentration areas: Areas where concentrations of beluga whales have been observed during more than one year (assumed feeding) Data exists only for those 1:250000 quads that contain four specific sensitive areas identified as MESAs with beluga whale data; data are not continuous along the coast. For a complete list of MESA areas with beluga whale data please see the metadata section on data quality.
Description: The HERRING_VOL2 depicts polygon data for known Pacific herring habitat areas in six environmentally sensitive areas along the Southwestern, Southcentral and Southeast coast of Alaska. This data was digitized from mylar original maps from the Alaska Habitat Management Guides (1985 & 1986), special areas management plans and updated bluelines from area biologists (1997 and 1999). Data for the following categories were captured: For Southwest and Southcentral: Known spawning concentration areas - areas where the presence of spawning Pacific herring or herring roe-on-substrate have been observed. For Southeast: Known spawning concentration areas - areas where concentrations of spawning herring have been observed since 1974. Known wintering concentration areas - areas where concentrations of herring have been observed throughout the winter during more than one year. Herring line data for six other MESAs are contained in the coverage HERR_LNVOL2 in the EMCON directory which is part of the MESA data set. Data in this coverage exists only for those 1:250000 quads that contain six specific sensitive areas identified as MESAs with herring polygon data; data are not continuous along the coast. For a complete list of these six MESA areas please see the metadata section on data quality.
Description: The BEARVOL2 depicts polygon data for known brown and black bear habitat areas in ten environmentally sensitive areas along the Southwestern, Southcentral and Southeast coast of Alaska. This data was digitized from mylar original maps from the Alaska Habitat Management Guides (1985 & 1986), special areas management plans and updated bluelines from area biologists (1997). Data for the following categories were captured: For Southwest: Known concentrations along fish streams (Known feeding concentrations) - areas where concentrations of brown bears have been observed fishing during more than one year. Known spring concentrations - areas where concentrations of brown bear have been observed during more than one spring. Southcentral: Known spring concentrations - areas where concentrations of brown bear have been observed during more than one spring. Known fall concentrations - areas where concentrations of brown bear have been observed during more than one fall Known summer concentrations - areas where concentrations of brown bear have been observed during more than one summer. For Southeast: Known spring concentration areas - estuarine meadows, inland grasslands, and adjacent forests where concentrations of brown and black bears have been observed during the period April to June for more than one year. Known concentrations along fish streams - fish streams and adjacent forest where black bear and brown bear have been observed concentrated during anadromous fish runs for more than one year. Data exists only for those 1:250000 quads that contain ten specific sensitive areas identified as MESAs with bear data; data are not continuous along the coast. For a complete list of MESA areas with bear data please see the metadata section on data quality. Coverage BEARVOL2 depicts bear line data in three MESA areas.
Description: The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public land and voluntarily provided private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastre Theme ( https://ngda-cadastre-geoplatform.hub.arcgis.com/ ). The PAD-US is an ongoing project with several published versions of a spatial database including areas dedicated to the preservation of biological diversity, and other natural (including extraction), recreational, or cultural uses, managed for these purposes through legal or other effective means.
The database was originally designed to support biodiversity assessments; however, its scope expanded in recent years to include all open space public and nonprofit lands and waters. Most are public lands owned in fee (the owner of the property has full and irrevocable ownership of the land); however, permanent and long-term easements, leases, agreements, Congressional (e.g. 'Wilderness Area'), Executive (e.g. 'National Monument'), and administrative designations (e.g., 'Area of Critical Environmental Concern') documented in agency management plans are also included. The PAD-US strives to be a complete inventory of U.S. public land and other protected areas, compiling “best available” data provided by managing agencies and organizations. PAD-US provides a full inventory geodatabase, spatial analysis, statistics, data downloads, web services, poster maps, and data submissions included in efforts to track global progress toward biodiversity protection.
PAD-US integrates spatial data to ensure public lands and other protected areas from all jurisdictions are represented. PAD-US version 4.1 includes new and updated data from the following data providers. All other data were transferred from previous versions of PAD-US.
Federal updates - USGS remains committed to updating federal fee owned lands data and major designation changes in regular PAD-US updates, where authoritative data provided directly by managing agencies are available or alternative data sources are recommended. Revisions associated with the federal estate in this version include updates to the Federal estate (fee ownership parcels, easement interest, management designations, and proclamation boundaries), with authoritative data from two agencies, the Department of Defense (DOD) and the U.S. Forest Service (USFS). Additionally, unit names were updated to reflect recent name changes to Fort Benning, Fort Bragg, and Jocelyn Nungaray National Wildlife Refuge. The federal theme in PAD-US is developed in close collaboration with the Federal Geographic Data Committee (FGDC) Federal Lands Working Group (FLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/federal-lands-workgroup/ ). This includes improved the representation of boundaries and attributes for the National Park Service, U.S. Forest Service, Bureau of Land Management, and U.S. Fish and Wildlife Service lands, in collaboration with agency data-stewards, in response to feedback from the PAD-US Team and stakeholders.
State Updates - USGS is committed to building capacity in the state data steward network and the PAD-US Team to increase the frequency of state land and NGO partner updates, as resources allow. State Lands Workgroup (SLWG, https://ngda-gov-units-geoplatform.hub.arcgis.com/pages/state-lands-workgroup ) is focused on improving protected land inventories in PAD-US, increase update efficiency, and facilitate local review. This version includes updates and additions from the following two states: Texas (state, local, and nonprofit fee) and Arizona (state, local, and nonprofit fee). All state and NGO easement submissions are provided to NCED. For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas.
For more information regarding the PAD-US dataset please visit, https://www.usgs.gov/programs/gap-analysis-project/science/protected-areas . For more information about data aggregation please review the PAD-US Data Manual available at https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-manual .
A version history of PAD-US updates is summarized below (See https://www.usgs.gov/programs/gap-analysis-project/pad-us-data-history/ for more information):
1) First posted - April 2009 (Version 1.0 - available from the PAD-US: Team pad-us@usgs.gov).
2) Revised - May 2010 (Version 1.1 - available from the PAD-US: Team pad-us@usgs.gov).
3) Revised - April 2011 (Version 1.2 - available from the PAD-US: Team pad-us@usgs.gov).
4) Revised - November 2012 (Version 1.3) https://doi.org/10.5066/F79Z92XD
5) Revised - May 2016 (Version 1.4) https://doi.org/10.5066/F7G73BSZ
6) Revised - September 2018 (Version 2.0) https://doi.org/10.5066/P955KPLE
7) Revised - September 2020 (Version 2.1) https://doi.org/10.5066/P92QM3NT
8) Revised - January 2022 (Version 3.0) https://doi.org/10.5066/P9Q9LQ4B
9) Revised - April 2024 (Version 4.0) https://doi.org/10.5066/P96WBCHS
10) Revised - March 2025 (Version 4.1) https://doi.org/10.5066/P96WBCHS
Comparing protected area trends between PAD-US versions is not recommended without consultation with USGS as many changes reflect improvements to agency and organization GIS systems, or conservation and recreation measure classification, rather than actual changes in protected area acquisition on the ground.
Copyright Text: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1: U.S. Geological Survey data release, https://doi.org/10.5066/P96WBCHS