WAT-2011-01 - El Paso County Groundwater Quality Study: Phase 1 WAT-2011-01 El Paso County Groundwater Quality Study: Phase 1
B-54 Natural Acid Rock Drainage Associated with Hydrothermally Altered Terrane in Colorado B-54 Natural Acid Rock Drainage Associated with Hydrothermally Altered Terrane in Colorado
IS-22 Annotated Bibliography of Subsidence Studies over Abandoned Coal Mines in Colorado [2010 update] IS-22 Annotated Bibliography of Subsidence Studies over Abandoned Coal Mines in Colorado [2010 update]
OF-09-03 Geologic Map of the Elizabeth Quadrangle OF-09-03 Geologic Map of the Elizabeth Quadrangle, Elbert County, Colorado
OF-08-04 Upper Black Squirrel Creek Basin Aquifer Recharge and Storage Evaluation OF-08-04 Upper Black Squirrel Creek Basin Aquifer Recharge and Storage Evaluation
IS-77 Colorado Mineral and Energy Industry Activities IS-77 Colorado Mineral and Energy Industry Activities, 2007
OF-08-16 Geologic Map of the Dakan Mountain Quadrangle OF-08-16 Geologic Map of the Dakan Mountain Quadrangle, Douglas, Teller and El Paso Counties, Colorado