Name: Watershed Boundary - 12 Digit
Display Field: Name
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: This dataset at 1:24,000 scale is a greatly expanded version of the hydrologic units created in the mid-1970's by the U.S. Geological Survey under the sponsorship of the Water Resources Council. The WBD is a complete set of hydrologic units from new watershed and subwatesheds less than 10,000 acres to entire river systems draining large hydrologicunit regions, all attributed by a standard nomenclature. Development of the Watershed Boundary Dataset started in the early 1990's and has progressed to the format and attributionthat is now being distributed. The delineation and attribution was done on a state basis using a variety of methods and source data. Each state HU dataset has gone through an extensive quality review process to ensure accuracy and complianceto the Federal Standard for Delineation of Hydrologic Unit Boundaries (http://www.nrcs.usda.gov/wps/portal/nrcs/detail/national/water/watersheds/?cid=nrcs143_021630) before and during submittal to USDA-NRCS National Geospatial Management Center (NGMC).
Copyright Text:
Default Visibility: true
MaxRecordCount: 1000
Supported Query Formats: JSON, geoJSON
Min Scale: 50000000
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:
XMin: 34929.265299998224
YMin: 47054.41770000011
XMax: 1084600.8696000017
YMax: 943128.9013999999
Spatial Reference: 102123
(3078)
Drawing Info:
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Outline:
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Transparency: 0
Labeling Info:
Advanced Query Capabilities:
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Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false
HasZ: false
HasM: false
Has Attachments: false
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Type ID Field: null
Fields:
-
OBJECTID
(
type: esriFieldTypeOID, alias: OBJECTID
)
-
TNMID
(
type: esriFieldTypeString, alias: TNMID, length: 40
)
-
LoadDate
(
type: esriFieldTypeDate, alias: LoadDate, length: 8
)
-
GNIS_ID
(
type: esriFieldTypeDouble, alias: GNIS_ID
)
-
AreaAcres
(
type: esriFieldTypeDouble, alias: AreaAcres
)
-
AreaSqKm
(
type: esriFieldTypeDouble, alias: AreaSqKm
)
-
States
(
type: esriFieldTypeString, alias: States, length: 50
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HUC12
(
type: esriFieldTypeString, alias: HUC12, length: 12
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Name
(
type: esriFieldTypeString, alias: Name, length: 120
)
-
HUType
(
type: esriFieldTypeString, alias: HUType, length: 254
)
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HUMod
(
type: esriFieldTypeString, alias: HUMod, length: 254
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ToHUC
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type: esriFieldTypeString, alias: ToHUC, length: 16
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