MS-12 Map of Licensed Coal Mines in Colorado as of 01 June 1978 (detail) MS-12 Map of Licensed Coal Mines in Colorado as of 01 June 1978
MS-06 Energy Resource Development Map of Colorado (detail) MS-06 Energy Resource Development Map of Colorado
MS-17 Inventory of Nonmetallic Mining and Processing Operations in Colorado|MS-17 Inventory of Nonmetallic Mining and Processing Operations in Colorado MS-17 Inventory of Nonmetallic Mining and Processing Operations in Colorado
MS-19 The Coal Bed Methane Resources of Colorado (detail) MS-19 The Coal Bed Methane Resources of Colorado
MS-28 Location Map and Descriptions of Metal Occurrences in Colorado with Notes on Economic Potential (detail) MS-28 Location Map and Descriptions of Metal Occurrences in Colorado with Notes on Economic Potential
MS-24 Metal Mining Activity Map of Colorado and Directory MS-24 Metal Mining Activity Map of Colorado and Directory, 1984
MS-25 Metal Mining Activity Map of Colorado with Directory MS-25 Metal Mining Activity Map of Colorado with Directory, 1989
MS-49 Geologic Map and Coal Bed Stratigraphy MS-49 Geologic Map and Coal Bed Stratigraphy, Fruitland Formation, Western Archuleta County, Colorado