Parent Layer: U.S. Congressional District Assessments

Name: U.S. Congressional Districts Dam Density

Display Field: District

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This layer is comprised of Congressional Districts categorized based on the density of dams within each district (dams/mile²) into 'Low', 'Medium' and 'High' categories. For more information about how dam density was calculated, see our <a href='methods/Dam_Density_methods.pdf' target='_blank'><b>Methods</b><a> <font color ="black"> page. </font> <img src="img/Dam_Density_thumb.png"> <a href='img/Dam_Density.jpg' target='_blank'><b>View larger image</b><a>

Copyright Text:

Default Visibility: false

MaxRecordCount: 1000

Supported Query Formats: JSON, geoJSON

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: -1.04688359947E7
YMin: 3366105.735600002
XMax: -9887065.6928
YMax: 3897887.6247999966
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
Class Breaks Renderer:
Field: Dm100sqmi
Min. Value: 0.1343001276254654
ClassBreakInfos:
• Class Maximum Value: 0.2404838353395462
  Label: Low
  Description:
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  Outline:
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• Class Maximum Value: 0.7148296236991882
  Label: Medium
  Description:
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  Outline:
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  Color: [110, 110, 110, 255]
  Width: 0
• Class Maximum Value: 2.336380958557129
  Label: High
  Description:
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  Color: [255, 0, 0, 255]
  Outline:
  Style: esriSLSSolid
  Color: [110, 110, 110, 255]
  Width: 0
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

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• STATEFP ( type: esriFieldTypeString, alias: STATEFP, length: 2 )
• CD113FP ( type: esriFieldTypeString, alias: CD113FP, length: 2 )
• AFFGEOID ( type: esriFieldTypeString, alias: AFFGEOID, length: 13 )
• GEOID ( type: esriFieldTypeString, alias: GEOID, length: 4 )
• LSAD ( type: esriFieldTypeString, alias: LSAD, length: 2 )
• CDSESSN ( type: esriFieldTypeString, alias: CDSESSN, length: 3 )
• ALAND ( type: esriFieldTypeDouble, alias: ALAND )
• AWATER ( type: esriFieldTypeDouble, alias: AWATER )
• Area_acre ( type: esriFieldTypeSingle, alias: Area_acre )
• Area_SQmi ( type: esriFieldTypeSingle, alias: Area_SQmi )
• VEG ( type: esriFieldTypeSingle, alias: VEG )
• AGR ( type: esriFieldTypeSingle, alias: AGR )
• DEV ( type: esriFieldTypeSingle, alias: DEV )
• WAT ( type: esriFieldTypeSingle, alias: WAT )
• LC_tot ( type: esriFieldTypeSingle, alias: LC_tot )
• VEG_idx ( type: esriFieldTypeSingle, alias: VEG_idx )
• Prot_idx ( type: esriFieldTypeSingle, alias: Prot_idx )
• DamNum ( type: esriFieldTypeSingle, alias: DamNum )
• DamIdx ( type: esriFieldTypeSingle, alias: DamIdx )
• Dm100sqmi ( type: esriFieldTypeSingle, alias: Dm100sqmi )
• SumStor ( type: esriFieldTypeDouble, alias: SumStor )
• DamStorIdx ( type: esriFieldTypeSingle, alias: DamStorIdx )
• canal_idx ( type: esriFieldTypeSingle, alias: canal_idx )
• chan_idx ( type: esriFieldTypeSingle, alias: chan_idx )
• RES_SUM ( type: esriFieldTypeDouble, alias: RES_SUM )
• RES_Idx ( type: esriFieldTypeSingle, alias: RES_Idx )
• ResX100 ( type: esriFieldTypeSingle, alias: ResX100 )
• Shape_Length ( type: esriFieldTypeDouble, alias: Shape_Length )
• Shape_Area ( type: esriFieldTypeDouble, alias: Shape_Area )
• District ( type: esriFieldTypeString, alias: District, length: 50 )

Supported Operations:   Query   Generate Renderer   Return Updates

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