Hazards
June 15, 2011
Mine Subsidence Hazards in Colorado
This video, produced by the CGS in 2011, examines the significant geo-hazards related to the long history of underground coal…
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Hazards
April 26, 2005
Case Study: mine subsidence, CSM
For decades, the west side of the Colorado School of Mines (CSM) main campus had subsidence issues related to…
January 20, 1986
SP-31 Proceedings of the 1985 Conference on Coal Mine Subsidence in the Rocky Mountain Region
Papers presented at the conference on coal mine subsidence held in Colorado Springs (October, 1985). Includes geologic road log. 315…
January 20, 1975
EG-09 Coal Mine Subsidence and Land Use in the Boulder-Weld Coalfield: Boulder and Weld Counties, Colorado
Text and set of six plates of basic subsidence-related problems; practical approaches to land development; extent of mining. The plates…
![IS-22 Annotated Bibliography of Subsidence Studies over Abandoned Coal Mines in Colorado [2010 update]](https://coloradogeologicalsurvey.org/wp-content/uploads/IS-22-cover-1200-500x500.png)
March 20, 2010
IS-22 Annotated Bibliography of Subsidence Studies over Abandoned Coal Mines in Colorado [2010 update]
IS-22 is a compendium of (land) subsidence investigations completed by both private companies and public agencies across the state. It…
January 20, 1985
SP-26 Subsidence above Inactive Coal Mines: Information for the Homeowner
General information on subsidence over inactive coal mines for homeowners and people considering purchasing property or subsidence insurance. 32 pages.
Minerals
February 18, 2020
Minerals
Minerals Colorado contains an abundance of mineral resources. The state has a long history of…
Hazards
October 21, 2019
Ground Subsidence
Ground Subsidence Intro Details Publications GIS Maps Links Subsidence is the sinking or settling of the ground surface. It can…
Hazards
May 5, 2015
Evaporite Karst Subsidence
[ED: Originally written by Jonathan White, Senior Engineering Geologist (emeritus staff) for a 2001 volume of…
January 20, 1987
OF-87-03 Tri-Towns Subsidence Investigation, Weld County, Colorado
This CGS publication explores a community-wide approach to geologic hazard evaluation, mitigation, and land use in areas subject to the…
General
October 21, 2019
About
About the CGS Mission/Vision/Goals Survey History Statutory Framework Mission The mission of the CGS is building vibrant economies and sustainable…
Hazards
October 21, 2019
Land Use Review
Land Use Review Pay LUR Review Fee Colorado has diverse geologic structures,…
Energy
October 18, 2019
Non-renewable Energy
Non-renewable Energy Colorado has a long history of non-renewable energy production from coal to petroleum and natural gas…
Geology
October 18, 2019
Colorado Geology
Colorado Geology From the low-lying eastern plains, to the central peaks soaring more than 14,000 feet above sea level,…
Water
January 1, 2019
ON-010 Colorado Groundwater Atlas
ON-010 Colorado Groundwater Atlas Accompanying GIS map :: Groundwater continues to gain…
January 20, 2005
PO-02 Poster – Geologic Hazards of Colorado
This full-color poster illustrates the range of Colorado’s geological hazards, including avalanches, falling rocks, landslides, mudslides (debris flows), swelling soils,…
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March 1, 2023
115th Annual AASG Meeting, Glenwood Springs, Colorado
The 2023 Association of American State Geologists meeting—hosted by the Colorado Geological Survey—takes place in Glenwood…
Geology
April 11, 2022
Case Study: Lykins Formation
Small but significant areas of Colorado are underlain by bedrock that is composed of evaporative…
Publications
December 11, 2019
ON-010 Colorado Groundwater Atlas Bibliography
ON-010 Bibliography Intro Bibliography A-J Bibliography K-Z Groundwater Glossary This bibliography includes a majority of references used in the 2003…
Hazards
October 21, 2019
Radon
Radon Intro Publications Resources/Links Geology plays an important role in water and air quality. Naturally occurring radioactive elements such as…
Hazards
October 21, 2019
Landslides
Landslides Intro Details Publications Resources GIS/Maps A landslide is a sudden mass movement of soil, artificial fill, and/or rock down…
Hazards
October 21, 2019
Expansive Soil and Rock
Expansive Soil and Rock Expansive or swelling soils are one of the most prevalent causes of damage to buildings and…
Hazards
October 18, 2019
ON-002 Earthquake Reference Collection
ON-002 Earthquake Reference Collection Staff at the CGS assembled the ON-002 Earthquake Reference Collection (ERC) with more than 700…
Geology
October 18, 2019
Teacher’s Corner
Teacher’s Corner The CGS has free resources for teachers to help educate students about Colorado’s diverse and fascinating geology. Drop…
Hazards
October 18, 2019
Collapsible Soils
Collapsible Soils Intro Details Publications Links Another type of ground subsidence that commonly occurs in Colorado is the settlement and…
Geology
October 11, 2019
Geologic Mapping
Geologic Mapping Intro GIS LiDAR Publications Links / Resources Geologic mapping involves plotting the location and attitude of the various…
Hazards
October 7, 2019
Hazards
Hazards Colorado has diverse geologic structures, rocks, soil types, topography, and climatic conditions that combine…
Hazards
October 7, 2019
Earthquakes
Earthquakes Intro Details Colorado Earthquakes Think you just felt an earthquake?? Check out the USGS Latest Earthquakes…
Hazards
July 12, 2018
Collapsible Soils
By Jonathan White, Senior Engineering Geologist, Emeritus At the end of the 19th and beginning of…
January 20, 2002
MS-34 Collapsible Soils and Evaporite Karst Hazards of the Roaring Fork River Corridor, Garfield, Eagle, and Pitkin Counties, Colorado
This publication, a 1:50,000-scale geologic hazard map with text, identifies locations susceptible to collapsible soils and subsidence that is related…