United States. Bureau of Land Management & Marcus, S. M. (1991). Mineral resource information sources in the western United States. U.S. Department of the Interior, U.S. Geolgical Survey.
Chicago Style (17th ed.) CitationUnited States. Bureau of Land Management and Susan M. Marcus. Mineral Resource Information Sources in the Western United States. [Reston, Virginia]: U.S. Department of the Interior, U.S. Geolgical Survey, 1991.
MLA (9th ed.) CitationUnited States. Bureau of Land Management and Susan M. Marcus. Mineral Resource Information Sources in the Western United States. U.S. Department of the Interior, U.S. Geolgical Survey, 1991.
Warning: These citations may not always be 100% accurate.