1. Mineral Resources
2. Online Spatial Data

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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United States

Show in your GIS using OGC web services:

https://mrdata.usgs.gov/services/usmin (WMS, version 1.3.0)

https://mrdata.usgs.gov/services/wfs/usmin (WFS, version 1.1.0)

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