{
 "culture": "en-US",
 "name": "map_indices",
 "guid": "272F6FF5-A02E-43FB-91BD-88FA080081B4",
 "catalogPath": "",
 "snippet": "USGS TNM Map Indices",
 "description": "<div style='text-align:Left;'><div><div><p><span>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.<\/span><\/p><\/div><\/div><\/div>",
 "summary": "USGS TNM Map Indices",
 "title": "Layers",
 "tags": [
  "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"
 ],
 "type": "Map Service",
 "typeKeywords": [
  "ArcGIS",
  "ArcGIS Server",
  "Data",
  "Map Service",
  "Service"
 ],
 "thumbnail": "thumbnail/thumbnail.png",
 "url": "",
 "extent": [
  [
   -179.999988540579,
   -78.7499829128847
  ],
  [
   179.999988540641,
   72.0000001226882
  ]
 ],
 "minScale": 0,
 "maxScale": 1.7976931348623157E308,
 "spatialReference": "WGS_1984_Web_Mercator_Auxiliary_Sphere",
 "accessInformation": "U. S. Geological Survey - National Geospatial Program. Data Refreshed June, 2025.",
 "licenseInfo": "",
 "portalUrl": ""
}