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IS-75 Colorado Mineral and Energy Industry Activities 2006 IS-75 Colorado Mineral and Energy Industry Activities 2006
RS-42 Geology and Mineral Resources of Lake County RS-42 Geology and Mineral Resources of Lake County, Colorado
RS-44 Geology and Mineral Resources of Saguache County RS-44 Geology and Mineral Resources of Saguache County, Colorado
RS-46 Proceedings of the 43rd Forum on the Geology of Industrial Minerals RS-46 Proceedings of the 43rd Forum on the Geology of Industrial Minerals
OF-06-10 Geologic Map of the Maysville Quadrangle OF-06-10 Geologic Map of the Maysville Quadrangle, Chaffee County, Colorado
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IS-70 Colorado Minerals and Mineral Fuel Activity Report 2004 IS-70 Colorado Minerals and Mineral Fuel Activity Report 2004