Geological Survey (U.S.) & Sorensen, M. L. (1983). Mineral resource potential map of the Bald Rock and Middle Fork Feather Roadless areas, Butte and Plumas Counties, California. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Martin L. Sorensen. Mineral Resource Potential Map of the Bald Rock and Middle Fork Feather Roadless Areas, Butte and Plumas Counties, California. Reston, Va.: The Survey, 1983.
MLA (9th ed.) CitationGeological Survey (U.S.) and Martin L. Sorensen. Mineral Resource Potential Map of the Bald Rock and Middle Fork Feather Roadless Areas, Butte and Plumas Counties, California. The Survey, 1983.
Warning: These citations may not always be 100% accurate.