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Service Description: The USGS Topo base map service from
The National Map is a combination of contours, shaded relief, woodland and urban tint, along with vector layers, such as geographic names, governmental unit boundaries, hydrography, structures, and transportation, to provide a composite topographic base map. Data sources are the National Atlas for small scales, and
The National Map for medium to large scales.
Map Name: Layers
Legend
All Layers and Tables
Layers:
Tables:
Description:
Copyright Text:
Spatial Reference: 102100 (3857)
Single Fused Map Cache: true
Tile Info:
- Height: 256
- Width: 256
- DPI: 96
- Levels of Detail: (# Levels: 16)
-
Level ID: 0
[Start Tile,
End Tile]
Resolution: 156543.033928
Scale: 591657527.591555
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Level ID: 1
[Start Tile,
End Tile]
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Scale: 295828763.795777
-
Level ID: 2
[Start Tile,
End Tile]
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Scale: 147914381.897889
-
Level ID: 3
[Start Tile,
End Tile]
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-
Level ID: 4
[Start Tile,
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Level ID: 5
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Level ID: 6
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Level ID: 8
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Level ID: 9
[Start Tile,
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Level ID: 10
[Start Tile,
End Tile]
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Level ID: 11
[Start Tile,
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Level ID: 12
[Start Tile,
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Level ID: 13
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Scale: 18055.954822
- Format: JPEG
- Compression Quality: 85
-
Origin:
X: -20037508.342787
Y: 20037508.342787
- Spatial Reference: 102100 (3857)
Initial Extent:
XMin: -16547172.3432675
YMin: -935751.709435616
XMax: -4747741.16094451
YMax: 11274604.9369483
Spatial Reference: 102100 (3857)
Full Extent:
XMin: -57845181.481398
YMin: -43671999.9717797
XMax: 36550267.9771861
YMax: 54010853.1992924
Spatial Reference: 102100 (3857)
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
- Title: USGS TNM Topo Base Map - Small Scale
- Author: U. S. Geological Survey - National Geospatial Program
- Comments: See http://viewer.nationalmap.gov/help for assistance with TNM services or metadata.
- Subject:
- Category:
- Keywords:
- Credits: USGS TNM - National Structures Dataset; USGS TNM - National Transportation Dataset; TomTom Commercial Roads; U.S. Census Bureau - TIGER/Line; USGS TNM - National Boundaries Dataset; USGS TNM - Geographic Names Information System; USGS TNM - National Hydrography Dataset
- AntialiasingMode: None
- TextAntialiasingMode: Force
Supported Interfaces:
REST
SOAP
WMS
Supported Operations:
Export Map
Identify
Find
Generate KML