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Service Description: The USGS Map Indices service from The National Map (TNM) consists of 1x1 Degree, 30x60 Minute (100K), 15 Minute (63K), 7.5 Minute (24K), and 3.75 Minute grid polygons used in The National Map viewer for reference and to download data. At 1:24,000-scale (24K), the standard map size is 7.5 minutes of latitude by 7.5 minutes of longitude. At 1:100,000-scale (100K), the standard map size is 30 minutes of latitude by 60 minutes of longitude. The National Map viewer allows free download of public domain USGS map indices data in Esri File Geodatabase format. See https://apps.nationalmap.gov/help/ for assistance with The National Map viewer, download client, services, or metadata.
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Description: The USGS Map Indices service from The National Map (TNM) consists of 1x1 Degree, 30x60 Minute (100K), 15 Minute (63K), 7.5 Minute (24K), and 3.75 Minute grid polygons used in The National Map viewer for reference and to download data. At 1:24,000-scale (24K), the standard map size is 7.5 minutes of latitude by 7.5 minutes of longitude. At 1:100,000-scale (100K), the standard map size is 30 minutes of latitude by 60 minutes of longitude. The National Map viewer allows free download of public domain USGS map indices data in Esri File Geodatabase format. See https://apps.nationalmap.gov/help/ for assistance with The National Map viewer, download client, services, or metadata.
Copyright Text: U. S. Geological Survey - National Geospatial Program. Data Refreshed June, 2025.
Spatial Reference:
102100
(3857)
VCSWkid(5703)
LatestVCSWkid(5703)
Single Fused Map Cache: false
Initial Extent:
XMin: -1.4186712449721571E7
YMin: 1779278.6398491492
XMax: -6604159.243834104
YMax: 7508739.042302772
Spatial Reference: 102100
(3857)
VCSWkid(5703)
LatestVCSWkid(5703)
Full Extent:
XMin: -2.0037507067132372E7
YMin: -1.4783146959592918E7
XMax: 2.0037507067139223E7
YMax: 1.1753184659535341E7
Spatial Reference: 102100
(3857)
VCSWkid(5703)
LatestVCSWkid(5703)
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Map Indices
Author:
Comments: The USGS Map Indices service from The National Map (TNM) consists of 1x1 Degree, 30x60 Minute (100K), 15 Minute (63K), 7.5 Minute (24K), and 3.75 Minute grid polygons used in The National Map viewer for reference and to download data. At 1:24,000-scale (24K), the standard map size is 7.5 minutes of latitude by 7.5 minutes of longitude. At 1:100,000-scale (100K), the standard map size is 30 minutes of latitude by 60 minutes of longitude. The National Map viewer allows free download of public domain USGS map indices data in Esri File Geodatabase format. See https://apps.nationalmap.gov/help/ for assistance with The National Map viewer, download client, services, or metadata.
Subject: USGS TNM Map Indices
Category:
Keywords: map,indices,index,reference,grid,1x1 degree,30x60 minute,100K,1:100,000,15 minute,63K,1:62,500,7.5 minute,24K,1:24,000,3.75 minute,United States,US,NGP-TNM,REST,WMS
AntialiasingMode: Fast
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 2000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON, PBF
Supports Query Data Elements: true
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
Child Resources:
Info
Dynamic Layer
Supported Operations:
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