Geological Survey (U.S.) & Brooks, W. E. (1989). Mineral resources of the Cowboy Spring Wilderness Study Area, Hidalgo County, New Mexico. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and William E. Brooks. Mineral Resources of the Cowboy Spring Wilderness Study Area, Hidalgo County, New Mexico. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1989.
MLA (9th ed.) CitationGeological Survey (U.S.) and William E. Brooks. Mineral Resources of the Cowboy Spring Wilderness Study Area, Hidalgo County, New Mexico. Dept. of the Interior, U.S. Geological Survey, 1989.
Warning: These citations may not always be 100% accurate.