RS-08 Proceedings of the Fifteenth Forum on Geology of Industrial Minerals-Industrial Minerals in Colorado and the Rocky Mountain Region RS-08 Proceedings of the Fifteenth Forum on Geology of Industrial Minerals: Industrial Minerals in Colorado and the Rocky Mountain Region
RS-11 Rare Earth Pegmatites of the South Platte District RS-11 Rare Earth Pegmatites of the South Platte District, Colorado
RS-06 Colorado's Hydrothermal Resource Base: An Assessment RS-06 Colorado’s Hydrothermal Resource Base: An Assessment
RS-05 Coal Resources of the Denver and Cheyenne Basins RS-05 Coal Resources of the Denver and Cheyenne Basins, Colorado
RS-04 Proceedings of the Second Symposium on the Geology of Rocky Mountain Coal RS-04 Proceedings of the Second Symposium on the Geology of Rocky Mountain Coal, 1977
RS-03 Colorado Coal Directory and Source Book 1978 RS-03 Colorado Coal Directory and Source Book 1978
RS-02 Mineral Resources Survey of Mesa County: A Model Study RS-02 Mineral Resources Survey of Mesa County: A Model Study
RS-01 Geology of Rocky Mountain Coal: A Symposium RS-01 Geology of Rocky Mountain Coal: A Symposium, 1976