United States. Bureau of Mines & Geological Survey (U.S.). (1990). Identified mineral resources/significant mineral occurrences and mineral resource potential for wilderness study areas in Colorado. [The Bureau].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines and Geological Survey (U.S.). Identified Mineral Resources/significant Mineral Occurrences and Mineral Resource Potential for Wilderness Study Areas in Colorado. [Washington, D.C.?]: [The Bureau], 1990.
MLA (9th ed.) CitationUnited States. Bureau of Mines and Geological Survey (U.S.). Identified Mineral Resources/significant Mineral Occurrences and Mineral Resource Potential for Wilderness Study Areas in Colorado. [The Bureau], 1990.
Warning: These citations may not always be 100% accurate.