{ "culture": "en-US", "name": "Quadrangle_Boundaries_100k_NAD27_USGS", "guid": "3DA76031-B76F-4864-A903-FDECC6D6886C", "catalogPath": "", "snippet": "Boundaries of the U.S. Geological Survey 30' x 60' (1:100,000-scale) topographic quadrangle maps, NAD27 (historical, printed USGS topo maps)", "description": "

This dataset contains the boundaries of the U.S. Geological Survey 30' x 60' (1:100,000-scale) topographic quadrangle maps, NAD27, for the state of Wyoming.<\/span><\/p>

These boundaries correspond to 100k historical topo map boundaries, all of which use the NAD27 datum and were never remade for NAD83.<\/span><\/p>

The National Map (TNM) downloader does not appear to provide NAD27 quadrangle boundaries. Instead, these boundaries were derived from the WSGS dataset, at shared drive location I:\\Data\\GIS\\Base\\Wyoming\\Quad_Index.gdb, circa 2010s.<\/span><\/p><\/div><\/div><\/div>", "summary": "Boundaries of the U.S. Geological Survey 30' x 60' (1:100,000-scale) topographic quadrangle maps, NAD27 (historical, printed USGS topo maps)", "title": "Quadrangle Boundaries 100k NAD27 USGS", "tags": [ "map", "boundary", "indices", "index", "reference", "quadrangle", "30x60 minute", "100k", "1:100000", "Wyoming", "United States" ], "type": "Feature Service", "typeKeywords": [ "ArcGIS", "ArcGIS Server", "Data", "Feature Access", "Feature Service", "providerSDS", "Service" ], "thumbnail": "thumbnail/thumbnail.png", "url": "", "extent": [ [ -112.000000001, 40.9999999990001 ], [ -103.999999999, 45.000000001 ] ], "minScale": 0, "maxScale": 1.7976931348623157E308, "spatialReference": "GCS_North_American_1927", "accessInformation": "U. S. Geological Survey", "licenseInfo": "", "portalUrl": "" }