Name: Maryland 12-Digit Watersheds

Display Field: HU_8_NAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This file (SWSHED12) is a statewide digital watershed file. It was created primarily for state and federal agency use. The watersheds define Strahler (Strahler 1952 p. 1120) third order stream drainage by contours on U.S. Geological Survey (USGS) 7.5 minute quadrangle map sheets. Some watersheds drainage areas were defined for streams less than third order and some large area watershed were split to maintain a maximum size of 15,000 acres. The watershed boundaries in this file were developed in a joint state and federal effort to create a consistent watershed file for use by all government agencies with an interest in Maryland's watersheds. The U.S. Natural Resources Conservation Service (NRCS) redefined the third order watersheds creating the HUA14 file. This file contains all of the HUA14 watersheds and some added watersheds to maintain water quality sampling sites. It was also used to create the Maryland Sub-Watershed file.

Definition Expression: N/A

Copyright Text: DNR

Default Visibility: false

MaxRecordCount: 1000

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 0

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Supports Advanced Queries: true

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Extent:

XMin: 185211.02449622005
YMin: 27241.462518241256
XMax: 575098.037025094
YMax: 230965.17279091105
Spatial Reference: 26985  (26985)

Drawing Info:

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HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID , alias: OBJECTID )
• HUC_8 ( type: esriFieldTypeString , alias: MDE 8 Digit Watershed Number , length: 8 )
• HU_8_NAME ( type: esriFieldTypeString , alias: MDE 8 Digit Watershed Name , length: 60 )
• HUC_10 ( type: esriFieldTypeString , alias: HUC 10 Digit Number , length: 10 )
• HU_10_NAME ( type: esriFieldTypeString , alias: HUC 10 Digit Name , length: 80 )
• HUC_12 ( type: esriFieldTypeString , alias: HUC 12 Digit Number , length: 12 )
• HU_12_NAME ( type: esriFieldTypeString , alias: HU_12_NAME , length: 80 )
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Supported Operations:   Query   Generate Renderer   Return Updates