Pyrite Geology, Hazards, Publications, Water July 21, 2022 Case Study: NARD Are pristine mountain waters always clean and pure? Can streams unaffected by human activities and livestock influences be unfit for human consumption, or for aquatic life? The existence of natural acid rock drainage (NARD) suggests a “no” to the former, and a “yes” to the latter question. But…
West Salt Creek rock avalanche viewed from the air General, Hazards, Publications May 16, 2017 AASG 2017 John C. Frye Memorial Award for CGS publication The Association of American State Geologists announced that their annual John C. Frye Memorial Award for 2017 is granted to the CGS and the staff members who authored the report The West Salt Creek Landslide: A Catastrophic Rockslide…
The gas well pad near the terminus of the West Salt Creek rock avalanche (flow direction right to left) Hazards, Publications January 23, 2017 Top-Ten paper at GSA On May 25, 2014 the longest landslide in Colorado’s historical record occurred in west-central Colorado, six miles (10 km) southeast of the small town of Collbran in Mesa County, taking the lives of three local men. The landslide was 2.8 miles (4.5 km) long, covering almost a square mile (2.6 km2) of the West Salt…
SP-43 A Guide to Swelling Soils for Colorado Homebuyers and Homeowners Hazards September 26, 2001 Swelling Soil Publication Wins Another National Award CGS Special Publication 43, SP-43 A Guide to Swelling Soils for Colorado Homebuyers and Homeowners, by Dave Noe, William “Pat” Rogers, and Candace Jochim, is the winner of the 2001 Edward B. Burwell, Jr. Award by the Geological…