United States. Bureau of Mines. Mining and mineral operations in the Pacific States: A visitor guide.
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Mining and Mineral Operations in the Pacific States: A Visitor Guide.
MLA (9th ed.) CitationUnited States. Bureau of Mines. Mining and Mineral Operations in the Pacific States: A Visitor Guide.
Warning: These citations may not always be 100% accurate.