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Layer: National Wetland Inventory 1978 (ID: 29)

Name: National Wetland Inventory 1978

Display Field: NWI_CODE

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: NWI digital data files are records of wetlands location and classification as defined by the U.S. Fish & Wildlife Service. This dataset was the original digital wetland inventory (1978). The digital data as well as the hardcopy maps that were used as the source for the digital data are produced and distributed by the U.S. Fish & Wildlife Service's National Inventory project. Classification of wetlands is based on the Cowardin Wetland Classification system. NWI maps were compiled through manual photointerpretation (using Cartographic Engineering 4X Mirror Stereoscopes) of NHAP or NAPP aerial photography supplemented by Soil Surveys and field checking of wetland photo signatures. Delineated wetland boundaries were manually transferred from interpreted photos to USGS 7.5 minute topographic quadrangle maps and then manually labeled. Quality control steps occurred throughout the photointerpretation, map compilation, and map reproduction processes.

Copyright Text: USFWS

Default Visibility: false

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0.0

Max Scale: 0.0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:
Drawing Info: Advanced Query Capabilities:
HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:
Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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