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Prospect- and mine-related features on USGS topographic maps

Symbols indicating mining-related features digitized from historical USGS topographic maps in the western part of the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pits, and other features.


Show in a web browser window:

Show in your GIS using OGC web services: (WMS, version 1.3.0) (WFS, version 1.1.0)

Download compressed KML or view in Google Earth:

State KML Size
Arizona usmin-AZ.kmz 2.3M bytes
California usmin-CA.kmz 7.3M bytes
Colorado usmin-CO.kmz 2.3M bytes
Idaho usmin-ID.kmz 1.3M bytes
Kansas usmin-KS.kmz 2.1M bytes
Montana usmin-MT.kmz 1.9M bytes
North Dakota usmin-ND.kmz 752k bytes
Nebraska usmin-NE.kmz 481k bytes
New Mexico usmin-NM.kmz 2.1M bytes
Nevada usmin-NV.kmz 4.3M bytes
Oklahoma usmin-OK.kmz 1.5M bytes
Oregon usmin-OR.kmz 1.7M bytes
South Dakota usmin-SD.kmz 932k bytes
Texas usmin-TX.kmz 874k bytes
Utah usmin-UT.kmz 1.6M bytes
Washington usmin-WA.kmz 1.4M bytes
Wyoming usmin-WY.kmz 1.7M bytes


Get the entire data set: (File geodatabase 20M bytes) (Shapefile 33M bytes)

Download zipped shapefiles by state:

State Shapefile Size
Arizona 2.3M bytes
California 7.3M bytes
Colorado 2.3M bytes
Idaho 1.3M bytes
Kansas 2.1M bytes
Montana 1.9M bytes
North Dakota 752k bytes
Nebraska 481k bytes
New Mexico 2.1M bytes
Nevada 4.3M bytes
Oklahoma 1.5M bytes
Oregon 1.7M bytes
South Dakota 932k bytes
Texas 874k bytes
Utah 1.6M bytes
Washington 1.4M bytes
Wyoming 1.7M bytes



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