Bartsch-Winkler, S. (1990). Mineral resources of the Negro Bill Canyon Wilderness study area, Grand County, Utah. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationBartsch-Winkler, S. Mineral Resources of the Negro Bill Canyon Wilderness Study Area, Grand County, Utah. [Reston, Va.]: Department of the Interior, U.S. Geological Survey, 1990.
MLA (9th ed.) CitationBartsch-Winkler, S. Mineral Resources of the Negro Bill Canyon Wilderness Study Area, Grand County, Utah. Department of the Interior, U.S. Geological Survey, 1990.
Warning: These citations may not always be 100% accurate.