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

CGS Publications

PLEASE NOTE: We are no longer able to accept walk-in publication sales.

Steamboat Rock, along the Green River in Echo Park, Dinosaur National Monument, Colorado. Photo credit: John Hopkins.

2023 Colorado Geology Calendar

Get your 2023 Colorado geology calendar while the supplies last! This compilation features many spectacular landscapes from across the state as captured by CGS staff.

GEO-2023-01 Calendar

PLEASE ALSO NOTE: We are migrating the sale of our few remaining physical publications to Amazon as of October 2022. You will be redirected to our Amazon storefront when you select one of those publications. Some of them may not be immediately available, so please check back with us in the coming weeks. Please do not use the “Add to cart” button except on free items.

All free digital downloads remain accessible on this site.

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 nine hundred professional reports, publications, maps, and GIS datasets concerning the geology, groundwater hydrology, mining, energy production, and geologic hazards around the state of Colorado.

Showing 1–28 of 39 results

CGS Publications

2023 Colorado Geology Calendar

OF-03-19 Geologic Map of the Manitou Springs Quadrangle, El Paso and Teller Counties, Colorado

OF-12-09 Geologic Map of the Climax Quadrangle, Lake and Park Counties, Colorado

OF-02-07 Geologic Map of the Breckenridge Quadrangle, Summit and Park Counties, Colorado

OF-99-06 Geologic Map of the Durango East Quadrangle, La Plata County, Colorado

OF-00-02 Geologic Map of the Idaho Springs Quadrangle, Clear Creek County, Colorado

OF-99-04 Geologic Map of the Durango West Quadrangle, La Plata County, Colorado

OF-03-20 Geologic Map of the Copper Mountain Quadrangle, Summit, Eagle, Lake, and Park Counties, Colorado

OF-02-01 Geologic Map of the Hermosa Quadrangle, La Plata County, Colorado

OF-03-21 Geologic Map of the Electra Lake 7.5-Minute Quadrangle, La Plata County, Colorado

OF-02-03 Geologic Map of the Keystone Quadrangle, Summit County, Colorado

MS-38 Geologic Map of the Glenwood Springs Quadrangle, Garfield County, Colorado

OF-00-04 Geologic Map of the Hesperus Quadrangle, La Plata and Montezuma Counties, Colorado

OF-12-07 Geologic Map of the Marmot Peak Quadrangle, Chaffee and Park Counties, Colorado

OF-06-07 Geologic Map of the Fairplay West Quadrangle, Park County, Colorado

OF-05-08 Geologic Map of the Buena Vista West Quadrangle, Chaffee County, Colorado

MS-41 Geologic Map of the Mount Sopris Quadrangle, Garfield and Pitkin Counties, Colorado

OF-04-07 Geologic Map of the Dawson Butte Quadrangle, Douglas County, Colorado

OF-06-10 Geologic Map of the Maysville Quadrangle, Chaffee County, Colorado

OF-05-05 Geologic Map of the Almont Quadrangle, Gunnison County, Colorado

MS-35 Geologic Map of the Shoshone Quadrangle, Garfield County, Colorado

MS-36 Geologic Map of the Carbondale Quadrangle, Garfield County, Colorado

OF-11-04 Geologic Map of the Jones Hill Quadrangle, Park County, Colorado

MS-31 Geologic Map of the Glenwood Springs Quadrangle, Garfield County, Colorado

OF-14-10 Center Mountain Quadrangle Geologic Map, Garfield County, Colorado

OF-03-15 Geologic map of the Taylor Ranch Quadrangle, Costilla County, Colorado

MS-39 Geologic Map of the Basalt Quadrangle, Eagle, Garfield, and Pitkin Counties, Colorado

OF-99-07 Geologic Map of the Mt. Sopris Quadrangle, Garfield and Pitkin Counties, Colorado

OF-08-18 Climax Quadrangle Geologic Map, Lake and Park Counties, Colorado

CGS Publications

2023 Colorado Geology Calendar

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