Mount Garfield from Interstate-70, Mesa County, Colorado, March 2016. Photo credit: Larry Scott for the CGS.

CGS Publications

CGS publications feature a wide range of geoscience reports, maps, and digital GIS data from all corners of Colorado

Since the first CGS Bulletin A Preliminary Report on the Geology of the Monarch Mining District, Chafee County in 1910, the Survey has issued more than eight hundred professional reports, publications, maps, and datasets concerning the geology, groundwater hydrology, mining, energy production, and geologic hazards around the state of Colorado.