About the MRDS Mines Database:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
All 1,074 mines in Boulder County, Colorado
Western Mining History is your source for over 116,000 mines in the western states.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.