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Hazards
June 15, 2011
This video, produced by the CGS in 2011, examines the significant geo-hazards related to the long history of underground coal…
Hazards
February 10, 2011
This educational video, produced in 2011, explores the various problems that arise from hazardous soil conditions — expansive, collapsible/compressible, hydrocompactive,…
General
February 28, 2008
We have a free 8.5- x 11-inch (pdf) geologic map of Colorado containing Geo-Whizology of Colorado…
Hazards
July 6, 2005
The town of Glenwood Springs in west-central Colorado lies at the confluence of the Roaring Fork and Colorado rivers.
General
March 4, 2005
Dr. Cílek, the Director of the Czech Republic’s Academy of Sciences Institute of Geology delivers a…
Hazards
March 23, 2003
On March 23, 2003, a large avalanche occurred about one mile west of the Town of Silver Plume. The avalanche brought trees, rock, soil and snow to the valley floor, knocked down overhead utility lines, blocked the I-70 frontage road, damaged the town’s water treatment plant (WTP), and dammed Clear Creek. The dam was breached using explosives before the plant’s electric pump motors were flooded. With damage to the WTP’s chlorine contact tank and building, Silver Plume residents had to boil their tap water for over a month.
Hazards
September 26, 2001
CGS Special Publication 43, SP-43 A Guide to Swelling Soils for Colorado Homebuyers and Homeowners, by…
Geology
October 1, 2000
In the next months, we will be sharing some unpublished field trip guides that we have made over the…
Hazards
June 19, 1995
by Jon White Manitou Springs occupies a narrow valley where Fountain Creek emerges from the foothills northeast of Pikes Peak and west of Colorado Springs. The valley slopes are composed of interbedded resistant sandstone and conglomerates (i.e., gravelly sandstone), and weaker mudstones and shale. The outcropping sandstone is most prevalent on the steeper slopes on the north side of the valley.
Hazards
November 20, 1980
General
March 11, 1909
While a number of brilliant men have in past years held the office of Colorado State Geologist, it is no…
General
March 28, 1907
Regarding the Colorado Geological Survey (an article appearing in the Mining Reporter, March 1907): We note that one of our…
