Name: PortneufExtent1959

Display Field: Type

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: The vector files representing the Portneuf River for the 1959 were derived from ortho-rectified data created using structure from motion technology (Pocatello, Idaho Historic Orthoimagery for 1959 (1 meter resolution) doi:10.7923/G4X63JT0). The workflow vector layers for the 1959 dataset is as follows. A vector file was created and manually digitized from the raster. Oxbows (cut off meanders/channels) and river features were coded as a “type” attribute within the attribute table. From here the data was smoothed using the PAEK algorithm with a smoothing tolerance of 20 meters to eliminate sharp corners.

Copyright Text: Jared Ogle oglejare@isu.edu; Idaho State University, Pocatello, ID 83209 Donna Delparte delparte@isu.edu; Idaho State University, Pocatello, ID 83209

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: 2622269.55910303
YMin: 1293109.93762119
XMax: 2629595.60924032
YMax: 1301084.3043324
Spatial Reference: 102605 (8826)

Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True

Global ID Field:

Type ID Field:

Fields:

• OBJECTID (type: esriFieldTypeOID, alias: FID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• Id (type: esriFieldTypeInteger, alias: Id, SQL Type: sqlTypeOther, nullable: true, editable: true)
• ORIG_FID (type: esriFieldTypeInteger, alias: ORIG_FID, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Type (type: esriFieldTypeString, alias: Type, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
• Shape_Leng (type: esriFieldTypeDouble, alias: Shape_Leng, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Name: PortneufExtent1959
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 8/19/2026 9:15:40 PM

Schema Last Edit Date: 8/19/2026 9:15:40 PM

Data Last Edit Date: 8/18/2026 10:04:40 PM

Supported Operations:   Query   Query Pivot   Query Top Features   Query Analytic   Query Bins   Generate Renderer   Validate SQL   Get Estimates   ConvertFormat