EG-06 Environmental and Engineering Geology of the Windsor Study Area, Larimer and Weld Counties, Colorado

SP-05A Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties

OF-73-01 Geology and Mineral Resources of LAVCOG Planning District 6

HM-03 1935 Geologic Map of Colorado (Burbank)

B-30 Geology and Ore Deposits of the Red Cliff District, Colorado

B-31 Geology of the Tarryall District, Park County, Colorado

B-17 Twin Lakes District of Colorado

B-13 Geology and Ore Deposits of the Platoro-Summitville Mining District

B-04 Geology and Ore Deposits of the Monarch District and Tomichi Districts, Colorado

B-03 Geology and Ore Deposits of the Alma District, Park County, Colorado

HM-01A Six 1877 Geologic Map Sheets and Two Cross Sections of Colorado (Hayden)

HM-01-18 1877 Geologic Map, Sheet XVIII: Geologic Cross Sections of the Western Slope and Central CO (Hayden)