Directory of operating uranium and vanadium mines in Colorado with addresses, phone numbers, and number of employees. Includes map with localities of mills; buying stations, crushing and sampling plants; and heap leach operations; active and inactive mines. Besides the active uranium and vanadium mines, the directory includes inactive mines, the plants and mills, and controllers. The active mines were considered to have employed miners either for production or development from January 1, 1976 to August 1, 1978. Some of the mines listed as active may not have actually been producing. 13 pages. 1 plate (1:500,000 and 100,000). Digital PDF download. MS-11D
Collier, James D., A. L. Hornbaker, and William L. Chenoweth. “MS-11 Directory of Colorado Uranium and Vanadium Mining and Milling Activities.” Uranium and Vanadium Mining. Map Series. Denver, CO: Colorado Geological Survey, Department of Natural Resources, 1978.