Name: Contour2017_2ft

Display Field: Id

Type: Feature Layer

Geometry Type: esriGeometryPolyline

Description: This contour dataset was generated from a LiDAR-derived bare-earth Digital Elevation Model (DEM) created using 2017 airborne LiDAR data. The source LiDAR meets USGS Quality Level 2 (QL2) specifications and was processed to represent ground elevations only (vegetation and structures removed).Contours were generated at 2-foot intervals, post-processed to remove minor artifacts and small isolated segments, and smoothed for cartographic clarity. Index contours are identified through attribute-based symbology and labeling.This dataset is suitable for use in GIS mapping, engineering review, drainage studies, floodplain visualization, and general terrain interpretation. It is not intended to replace surveyed elevations for construction or legal boundary determination.

Copyright Text: Ascension Parish Government GIS Division, Data@apgov.org

Min. Scale: 280000

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: -10142753.1952179
YMin: 3509878.05899427
XMax: -10088322.851185
YMax: 3549332.87460904
Spatial Reference: 102100 (3857)

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: IsIndex

Fields:

• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• Id (type: esriFieldTypeInteger, alias: Id, SQL Type: sqlTypeOther, nullable: false, editable: true)
• Contour (type: esriFieldTypeDouble, alias: Contour, SQL Type: sqlTypeOther, nullable: false, editable: true)
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Domains:

Templates:

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Prototype:

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Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 2/9/2026 5:16:14 PM

Schema Last Edit Date: 2/9/2026 5:16:14 PM

Data Last Edit Date: 2/9/2026 5:11:21 PM

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