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Layer: National Forest System HUC 12s with Wellhead Protection Area (ID: 3)

Name: National Forest System HUC 12s with Wellhead Protection Area

Display Field: Percent_Dissolved_WHPA_Area

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: HUC12s in this layer intersect Forest System boundaries WBD data sources: -Non-Alaska – ‘WBD_Poly_Seamless.xml’ included in ‘Metadata’ folder -Alaska – ‘WBD_National_GDB.xml’ included in ‘Metadata’ folder WHPA description – Wellhead Protection Areas -Catchments including GW Wells in non-AK -1 mile buffers for GW Wells in AK, since no catchments are available for AK in NHDPlus V2.1 Area Calculation description: ‘Percentage of HUC12 covered by Wellhead Protection Area’ is calculated using the US area of the HUC12 and WHPA features (NHDPlus V2.1catchments). The HUC12s are further clipped using the processing extent of the NHDPlus V2.1. This ensures that all HUC12 features are covered by NHDPlus V2 catchments, notably in coastal areas where the HUC12s extend into the ocean. WHPA features in Alaska were dissolved before calculating ‘Percentage of HUC12 covered by Wellhead Protection Area’ to avoid over-counting in areas where WHPA features overlap. Catchment data source: - ‘NHDPlusV2_metadata.xml’ included in ‘Metadata’ folder

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Default Visibility: false

MaxRecordCount: 1000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 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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