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OF-20-11 Alkaline Complexes of the Wet Mountains Area OF-20-11 Alkaline Complexes of the Wet Mountains Area, Colorado: A Geological Summary, Bibliography, and Data Compilation of Critical Mineral Laboratory Results
OF-11-03 Cross-sections of the Fresh-water-bearing Strata of the Denver Basin between Greeley and Colorado Springs OF-11-03 Cross-sections of the Fresh-water-bearing Strata of the Denver Basin between Greeley and Colorado Springs, Colorado
IS-62 Digital Inventory of Industrial Mineral Mines and Mine Permit Locations in Colorado IS-62 Digital Inventory of Industrial Mineral Mines and Mine Permit Locations in Colorado