Hazards February 10, 2011 Hazardous Soils in Colorado This educational video, produced in 2011, explores the various problems that arise from hazardous soil conditions — expansive, collapsible/compressible, hydrocompactive, dispersive, swelling/expansible — across the state. These geologic hazards combined cause more infrastructure damage in Colorado than any others. The video also covers the types of damage, methods for prevention…
Free 8.5- x 11-inch map of Colorado geology (front) along with Geo-Whizology (back). General, Geology, Publications February 28, 2008 The biggest, the best, the first, and the most diverse… We have a free 8.5- x 11-inch (pdf) geologic map of Colorado containing Geo-Whizology of Colorado on the reverse side. Of course, we’re a bit biased, but we think Colorado has magnificent geology and it is beautifully displayed for all to see. The state holds many…
Historical postcard "Prospecting in Leadville" General, Minerals March 11, 1909 Mines and Minerals: the early Survey While a number of brilliant men have in past years held the office of Colorado State Geologist, it is no disparagement to them to say that their work produced few tangible or lasting results. The fault was the state’s and her legislatures’ previous to that of 1907. Limited by niggardly…
Boulder oil field, 1915. Photo credit: C. L. McClure and the Denver Public Library. General, Geology March 29, 1907 Concerns about the new survey Regarding the Colorado Geological Survey (an article appearing in the Mining Reporter, March 1907): We note that one of our contemporaries, in recently commenting on the University bill creating a State Geological Survey of Colorado — the bill reported favorably on by the joint Senate and House mining committee —…