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.


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Show in your GIS using OGC web services:

Service, version URL Capabilities document
WMS, version 1.3.0 Capabilities
WFS, version 1.1.0 Capabilities

Download compressed KML or view in Google Earth:

State KML Size
Alabama usmin-AL.kmz 10.9M bytes
Arkansas usmin-AR.kmz 2.1M bytes
Arizona usmin-AZ.kmz 2.5M bytes
California usmin-CA.kmz 7.6M bytes
Colorado usmin-CO.kmz 2.4M bytes
Connecticut usmin-CT.kmz 1.0M bytes
District of Columbia usmin-DC.kmz 6k bytes
Delaware usmin-DE.kmz 233k bytes
Florida usmin-FL.kmz 4.6M bytes
Georgia usmin-GA.kmz 2.4M bytes
Iowa usmin-IA.kmz 1.0M bytes
Idaho usmin-ID.kmz 1.3M bytes
Illinois usmin-IL.kmz 3.2M bytes
Indiana usmin-IN.kmz 3.8M bytes
Kansas usmin-KS.kmz 2.1M bytes
Kentucky usmin-KY.kmz 20.2M bytes
Louisiana usmin-LA.kmz 1.1M bytes
Massachusetts usmin-MA.kmz 1.0M bytes
Maryland usmin-MD.kmz 2.8M bytes
Maine usmin-ME.kmz 3.0M bytes
Michigan usmin-MI.kmz 3.1M bytes
Minnesota usmin-MN.kmz 4.1M bytes
Missouri usmin-MO.kmz 3.0M bytes
Mississippi usmin-MS.kmz 280k bytes
Montana usmin-MT.kmz 2.0M bytes
North Carolina usmin-NC.kmz 2.9M bytes
North Dakota usmin-ND.kmz 760k bytes
Nebraska usmin-NE.kmz 482k bytes
New Hampshire usmin-NH.kmz 1.6M bytes
New Jersey usmin-NJ.kmz 3.6M bytes
New Mexico usmin-NM.kmz 2.1M bytes
New York usmin-NY.kmz 1.0M bytes
Nevada usmin-NV.kmz 4.7M bytes
Ohio usmin-OH.kmz 21.8M bytes
Oklahoma usmin-OK.kmz 1.5M bytes
Oregon usmin-OR.kmz 1.7M bytes
Pennsylvania usmin-PA.kmz 58.7M bytes
Rhode Island usmin-RI.kmz 686k bytes
South Carolina usmin-SC.kmz 1.0M bytes
South Dakota usmin-SD.kmz 933k bytes
Tennessee usmin-TN.kmz 6.3M bytes
Texas usmin-TX.kmz 7.2M bytes
Utah usmin-UT.kmz 1.6M bytes
Virginia usmin-VA.kmz 23M bytes
Vermont usmin-VT.kmz 506k bytes
Washington usmin-WA.kmz 1.4M bytes
West Virginia usmin-WV.kmz 56.6M bytes
Wisconsin usmin-WI.kmz 2.2M bytes
Wyoming usmin-WY.kmz 1.8M bytes


Download data for geographic areas you choose

Get the entire data set: (File geodatabase 141M bytes) (Shapefile 252M bytes)

Download zipped shapefiles by state:

State Shapefile Size
Alabama 9.4M bytes
Arkansas 2.0M bytes
Arizona 2.8M bytes
California 7.8M bytes
Colorado 2.6M bytes
Connecticut 814k bytes
Delaware 224k bytes
District of Columbia 19k bytes
Florida 4.2M bytes
Georgia 2.2M bytes
Iowa 1.0M bytes
Idaho 1.4M bytes
Illinois 3.0M bytes
Indiana 3.6M bytes
Kansas 2.0M bytes
Kentucky 18.2M bytes
Louisiana 1.0M bytes
Maine 2.5M bytes
Maryland 2.3M bytes
Massachusetts 947k bytes
Michigan 3.1M bytes
Minnesota 3.9M bytes
Missouri 3.0M bytes
Mississippi 2.1M bytes
Montana 2.1M bytes
North Carolina 2.3M bytes
North Dakota 761.0k bytes
Nebraska 463.7k bytes
New Hampshire 1.3M bytes
New Jersey 2.9M bytes
New Mexico 2.1M bytes
New York 1.6M bytes
Nevada 5.9M bytes
Ohio 19.7M bytes
Oklahoma 1.4M bytes
Oregon 1.7M bytes
Pennsylvania 48M bytes
Rhode Island 547k bytes
South Carolina 835.4k bytes
South Dakota 917.8k bytes
Tennessee 5.9M bytes
Texas 7.2M bytes
Utah 1.7M bytes
Vermont 427k bytes
Virginia 18.2M bytes
Washington 1.4M bytes
West Virginia 49.1M bytes
Wisconsin 2.3M bytes
Wyoming 1.7M bytes



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