Geological Survey (U.S.) & United States. Bureau of Mines. (1982). Mineral resources of the Sheep Mountain Wilderness study area and the Cucamonga Wilderness and additions, Los Angeles and San Bernardino Counties, California. U.S. Dept. of the Interior, Geological Surve.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and United States. Bureau of Mines. Mineral Resources of the Sheep Mountain Wilderness Study Area and the Cucamonga Wilderness and Additions, Los Angeles and San Bernardino Counties, California. [Reston, Va.]: U.S. Dept. of the Interior, Geological Surve, 1982.
MLA (9th ed.) CitationGeological Survey (U.S.) and United States. Bureau of Mines. Mineral Resources of the Sheep Mountain Wilderness Study Area and the Cucamonga Wilderness and Additions, Los Angeles and San Bernardino Counties, California. U.S. Dept. of the Interior, Geological Surve, 1982.