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Hydro
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HydrologicUnits_ChesapeakeBayWatershed (MapServer)
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All Layers and Tables
API Reference
JSON
All Layers and Tables (Hydro/HydrologicUnits_ChesapeakeBayWatershed)
Layers:
Layer:
HUC4
(0)
Name:
HUC4
Display Field:
Name
Type:
Feature Layer
Geometry Type:
esriGeometryPolygon
Description:
Subregion (Level 2, 4-Digit) hydrologic unit dataset for the Chesapeake Bay watershed.
Copyright Text:
US Geological Survey (2015), Chesapeake Bay Foundation (2015)
Default Visibility: true
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:
false
Can Scale Symbols:
false
Use Standardized Queries:
true
Supports Datum Transformation:
true
Extent:
XMin: -3809289.7113
YMin: 1983086.3805
XMax: 1611209.4808
YMax: 6606969.769099999
Spatial Reference: 32618 (32618)
Drawing Info:
Renderer:
Simple Renderer:
Symbol:
Style:
esriSFSSolid
Color:
[0, 0, 0, 0]
Outline:
Style:
esriSLSSolid
Color:
[115, 0, 0, 255]
Width:
1
Label:
N/A
Description:
N/A
Transparency:
0
Labeling Info:
Advanced Query Capabilities:
Supports Statistics: true
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
Supports Percentile Statistics: true
Supports Having Clause: true
Supports Count Distinct: true
Supports Time Relation: true
Supports Sql Format: false
Supports Query Analytic: false
Supports Query With Current User: true
HasZ: false
HasM: false
Has Attachments:
false
HTML Popup Type:
esriServerHTMLPopupTypeAsHTMLText
Type ID Field:
null
Fields:
LoadDate
( type: esriFieldTypeDate, alias: Load Date, length: 8 )
AreaAcres
( type: esriFieldTypeDouble, alias: Area (Acres) )
AreaSqKm
( type: esriFieldTypeDouble, alias: Area (km²) )
HUC4
( type: esriFieldTypeString, alias: HUC, length: 4 )
Shape_Length
( type: esriFieldTypeDouble, alias: Shape_Length )
Shape_Area
( type: esriFieldTypeDouble, alias: Shape_Area )
OBJECTID
( type: esriFieldTypeOID, alias: OBJECTID )
Shape
( type: esriFieldTypeGeometry, alias: Shape )
TNMID
( type: esriFieldTypeString, alias: TNMID, length: 40 )
States
( type: esriFieldTypeString, alias: States, length: 50 )
Name
( type: esriFieldTypeString, alias: Name, length: 120 )
Layer:
HUC6
(1)
Name:
HUC6
Display Field:
Name
Type:
Feature Layer
Geometry Type:
esriGeometryPolygon
Description:
Basin (Level 3, 6-Digit) hydrologic unit dataset for the Chesapeake Bay watershed.
Copyright Text:
US Geological Survey (2015), Chesapeake Bay Foundation (2015)
Default Visibility: true
MaxRecordCount:
1000
Supported Query Formats:
JSON, geoJSON, PBF
Min Scale:
10000000
Max Scale:
3000001
Supports Advanced Queries:
true
Supports Statistics:
true
Has Labels:
false
Can Modify Layer:
false
Can Scale Symbols:
false
Use Standardized Queries:
true
Supports Datum Transformation:
true
Extent:
XMin: -3809289.7113
YMin: 1983086.3805
XMax: 1611209.4808
YMax: 6606969.769099999
Spatial Reference: 32618 (32618)
Drawing Info:
Renderer:
Simple Renderer:
Symbol:
Style:
esriSFSSolid
Color:
[0, 0, 0, 0]
Outline:
Style:
esriSLSSolid
Color:
[0, 77, 168, 255]
Width:
1
Label:
N/A
Description:
N/A
Transparency:
0
Labeling Info:
Advanced Query Capabilities:
Supports Statistics: true
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
Supports Percentile Statistics: true
Supports Having Clause: true
Supports Count Distinct: true
Supports Time Relation: true
Supports Sql Format: false
Supports Query Analytic: false
Supports Query With Current User: true
HasZ: false
HasM: false
Has Attachments:
false
HTML Popup Type:
esriServerHTMLPopupTypeAsHTMLText
Type ID Field:
null
Fields:
TNMID
( type: esriFieldTypeString, alias: USGS TNM ID, length: 40 )
LoadDate
( type: esriFieldTypeDate, alias: Load Date, length: 8 )
AreaAcres
( type: esriFieldTypeDouble, alias: Area (Acres) )
AreaSqKm
( type: esriFieldTypeDouble, alias: Area (km²) )
HUC6
( type: esriFieldTypeString, alias: HUC, length: 6 )
Shape_Length
( type: esriFieldTypeDouble, alias: Shape_Length )
Shape_Area
( type: esriFieldTypeDouble, alias: Shape_Area )
OBJECTID
( type: esriFieldTypeOID, alias: OBJECTID )
Shape
( type: esriFieldTypeGeometry, alias: Shape )
States
( type: esriFieldTypeString, alias: States, length: 50 )
Name
( type: esriFieldTypeString, alias: Name, length: 120 )
Layer:
HUC8
(2)
Name:
HUC8
Display Field:
Name
Type:
Feature Layer
Geometry Type:
esriGeometryPolygon
Description:
Subbasin (Level 4, 8-Digit) hydrologic unit dataset for the Chesapeake Bay watershed.
Copyright Text:
US Geological Survey (2015), Chesapeake Bay Foundation (2015)
Default Visibility: true
MaxRecordCount:
1000
Supported Query Formats:
JSON, geoJSON, PBF
Min Scale:
3000000
Max Scale:
750001
Supports Advanced Queries:
true
Supports Statistics:
true
Has Labels:
false
Can Modify Layer:
false
Can Scale Symbols:
false
Use Standardized Queries:
true
Supports Datum Transformation:
true
Extent:
XMin: -3809289.7113
YMin: 1983086.3805
XMax: 1611209.4808
YMax: 6606969.769099999
Spatial Reference: 32618 (32618)
Drawing Info:
Renderer:
Simple Renderer:
Symbol:
Style:
esriSFSSolid
Color:
[0, 0, 0, 0]
Outline:
Style:
esriSLSSolid
Color:
[38, 115, 0, 255]
Width:
0
Label:
N/A
Description:
N/A
Transparency:
0
Labeling Info:
Advanced Query Capabilities:
Supports Statistics: true
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
Supports Percentile Statistics: true
Supports Having Clause: true
Supports Count Distinct: true
Supports Time Relation: true
Supports Sql Format: false
Supports Query Analytic: false
Supports Query With Current User: true
HasZ: false
HasM: false
Has Attachments:
false
HTML Popup Type:
esriServerHTMLPopupTypeAsHTMLText
Type ID Field:
null
Fields:
TNMID
( type: esriFieldTypeString, alias: USGS TNM ID, length: 40 )
LoadDate
( type: esriFieldTypeDate, alias: Load Date, length: 8 )
AreaAcres
( type: esriFieldTypeDouble, alias: Area (Acres) )
AreaSqKm
( type: esriFieldTypeDouble, alias: Area (km²) )
HUC8
( type: esriFieldTypeString, alias: HUC, length: 8 )
Shape_Length
( type: esriFieldTypeDouble, alias: Shape_Length )
Shape_Area
( type: esriFieldTypeDouble, alias: Shape_Area )
Watershed_OI
( type: esriFieldTypeString, alias: Watershed_of_interest, length: 255 )
OBJECTID
( type: esriFieldTypeOID, alias: OBJECTID )
Shape
( type: esriFieldTypeGeometry, alias: Shape )
States
( type: esriFieldTypeString, alias: States, length: 50 )
Name
( type: esriFieldTypeString, alias: Name, length: 120 )
Sq_Mile
( type: esriFieldTypeDouble, alias: Sq_Mile )
Layer:
HUC10
(3)
Name:
HUC10
Display Field:
Name
Type:
Feature Layer
Geometry Type:
esriGeometryPolygon
Description:
Watershed (Level 5, 10-Digit) hydrologic unit dataset for the Chesapeake Bay watershed.
Copyright Text:
US Geological Survey (2015), Chesapeake Bay Foundation (2015)
Default Visibility: true
MaxRecordCount:
1000
Supported Query Formats:
JSON, geoJSON, PBF
Min Scale:
750000
Max Scale:
250001
Supports Advanced Queries:
true
Supports Statistics:
true
Has Labels:
false
Can Modify Layer:
false
Can Scale Symbols:
false
Use Standardized Queries:
true
Supports Datum Transformation:
true
Extent:
XMin: -3809289.7113
YMin: 1983086.3805
XMax: 1611209.4808
YMax: 6606969.769099999
Spatial Reference: 32618 (32618)
Drawing Info:
Renderer:
Simple Renderer:
Symbol:
Style:
esriSFSSolid
Color:
[0, 0, 0, 0]
Outline:
Style:
esriSLSSolid
Color:
[76, 0, 115, 255]
Width:
0
Label:
N/A
Description:
N/A
Transparency:
0
Labeling Info:
Advanced Query Capabilities:
Supports Statistics: true
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
Supports Percentile Statistics: true
Supports Having Clause: true
Supports Count Distinct: true
Supports Time Relation: true
Supports Sql Format: false
Supports Query Analytic: false
Supports Query With Current User: true
HasZ: false
HasM: false
Has Attachments:
false
HTML Popup Type:
esriServerHTMLPopupTypeAsHTMLText
Type ID Field:
null
Fields:
TNMID
( type: esriFieldTypeString, alias: USGS TNM ID, length: 40 )
LoadDate
( type: esriFieldTypeDate, alias: Load Date, length: 8 )
AreaAcres
( type: esriFieldTypeDouble, alias: Area (Acres) )
AreaSqKm
( type: esriFieldTypeDouble, alias: Area (km²) )
HUC10
( type: esriFieldTypeString, alias: HUC, length: 10 )
HUType
( type: esriFieldTypeString, alias: Type, length: 255 ,
Coded Values:
[S: Standard] , [C: Closed Basin] , [F: Frontal]
, ...4 more...
)
Shape_Length
( type: esriFieldTypeDouble, alias: Shape_Length )
Shape_Area
( type: esriFieldTypeDouble, alias: Shape_Area )
Watershed_of_interest
( type: esriFieldTypeString, alias: Watershed of interest, length: 255 )
OBJECTID
( type: esriFieldTypeOID, alias: OBJECTID )
Shape
( type: esriFieldTypeGeometry, alias: Shape )
States
( type: esriFieldTypeString, alias: States, length: 50 )
Name
( type: esriFieldTypeString, alias: Name, length: 120 )
SUM_POLY_AREA
( type: esriFieldTypeDouble, alias: SUM_POLY_AREA )
Layer:
HUC12
(4)
Name:
HUC12
Display Field:
Name
Type:
Feature Layer
Geometry Type:
esriGeometryPolygon
Description:
Subwatershed (Level 6, 12-Digit) hydrologic unit dataset for the Chesapeake Bay watershed.
Copyright Text:
US Geological Survey (2015), Chesapeake Bay Foundation (2015)
Default Visibility: true
MaxRecordCount:
1000
Supported Query Formats:
JSON, geoJSON, PBF
Min Scale:
250000
Max Scale:
0
Supports Advanced Queries:
true
Supports Statistics:
true
Has Labels:
false
Can Modify Layer:
false
Can Scale Symbols:
false
Use Standardized Queries:
true
Supports Datum Transformation:
true
Extent:
XMin: -3809289.7113
YMin: 1983086.3805
XMax: 1611209.4808
YMax: 6606969.769099999
Spatial Reference: 32618 (32618)
Drawing Info:
Renderer:
Simple Renderer:
Symbol:
Style:
esriSFSSolid
Color:
[0, 0, 0, 0]
Outline:
Style:
esriSLSSolid
Color:
[102, 153, 205, 255]
Width:
0
Label:
N/A
Description:
N/A
Transparency:
0
Labeling Info:
Advanced Query Capabilities:
Supports Statistics: true
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
Supports Percentile Statistics: true
Supports Having Clause: true
Supports Count Distinct: true
Supports Time Relation: true
Supports Sql Format: false
Supports Query Analytic: false
Supports Query With Current User: true
HasZ: false
HasM: false
Has Attachments:
false
HTML Popup Type:
esriServerHTMLPopupTypeAsHTMLText
Type ID Field:
null
Fields:
TNMID
( type: esriFieldTypeString, alias: USGS TNM ID, length: 40 )
LoadDate
( type: esriFieldTypeDate, alias: Load Date, length: 8 )
AreaAcres
( type: esriFieldTypeDouble, alias: Area (Acres) )
AreaSqKm
( type: esriFieldTypeDouble, alias: Area (km²) )
HUC12
( type: esriFieldTypeString, alias: HUC, length: 12 )
HUType
( type: esriFieldTypeString, alias: Type, length: 255 ,
Coded Values:
[S: Standard] , [C: Closed Basin] , [F: Frontal]
, ...4 more...
)
Shape_Length
( type: esriFieldTypeDouble, alias: Shape_Length )
Shape_Area
( type: esriFieldTypeDouble, alias: Shape_Area )
Watershed_of_interest
( type: esriFieldTypeString, alias: Watershed of interest, length: 50 )
OBJECTID
( type: esriFieldTypeOID, alias: OBJECTID )
Shape
( type: esriFieldTypeGeometry, alias: Shape )
States
( type: esriFieldTypeString, alias: States, length: 50 )
Name
( type: esriFieldTypeString, alias: Name, length: 120 )