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

CGS Publications

PLEASE NOTE: We no longer are able to accept any walk-in orders. All sales of our few remaining physical publications are now via our Amazon storefront. You will be redirected there when you select one of those publications. Please do not use the “Add to cart” button except on free items. All free digital downloads remain accessible on this site.

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

Publications on our Amazon Store

SP-57 Tourist Guide to Colorado Geology

$12.00
IS-33 Gold Panning and Placering In Colorado: How and Where

$12.00
SP-52 Messages in Stone: Colorado’s Colorful Geology (2nd Edition)

$19.95
SP-43 A Guide to Swelling Soils for Colorado Homebuyers and Homeowners

$9.00
SP-53 Ground Water Atlas of Colorado

$30.00
SP-49 The Handbook of Colorado Meteorites

$7.00
RS-28 Gold Occurrences of Colorado

$14.00

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 811 results

CGS Publications

2023 Colorado Geology Calendar

MI-66 Colorado Rockfall Simulation Program, Version 4.0

MI-16 1979 Geologic Map of Colorado (Tweto)

MI-94 Colorado Geologic Time Scale Bookmark

MS-42 Colorado Springs Landslide Susceptibility Map, El Paso County, Colorado

MS-51 Interpretive Geothermal Gradient Map of Colorado

MS-45 Interpretive Geothermal Heat Flow Map of Colorado

B-55 The West Salt Creek Landslide: A Catastrophic Rockslide and Rock/Debris Avalanche in Mesa County, Colorado

OF-00-03 Geologic Map of the Colorado Springs Quadrangle, El Paso County, Colorado

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

MI-14 Colorado Stratigraphic Correlation Chart

MI-63 Geologic Sections Across Colorado (Tweto)

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

ON-008-04D U.S. Forest Service Abandoned Mine Land Inventory Project – Colorado (Data) – v20200820

OF-03-04 Published Faults of the Colorado Front Range

EG-07 Potentially Swelling Soil and Rock in the Front Range Urban Corridor, Colorado

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

B-32 Prairie, Peak and Plateau: A Guide to the Geology of Colorado

B-12 Common Minerals and Rocks: Their Occurrence and Uses

OF-12-01 Geologic Map of the Antero Reservoir Quadrangle, Park and Chaffee Counties, Colorado

RS-35 Alkalic Igneous Rocks of Colorado and Their Associated Ore Deposits

OF-12-02 Colorado Map of Potential Evaporite Dissolution and Evaporite Karst Subsidence Hazards

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

B-22 Mineral Deposits of the Western Slope

OF-01-03 Geologic Map of the Pikeview Quadrangle, El Paso County, Colorado

OF-16-05 Geologic Map of the Longmont Quadrangle, Boulder and Weld Counties, Colorado

OF-02-05 Geologic Map of the Cheyenne Mountain Quadrangle, El Paso County, Colorado

B-39 An Appraisal of Colorado’s Geothermal Resources

CGS Publications

2023 Colorado Geology Calendar

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