Colorado Geological Survey

Investigation Continues Into Greeley Quake, Wastewater Injection WellThe commission investigating seismic activity near wastewater disposal sites in Weld County is meeting this afternoon to discuss developments since it ordered an injection well temporarily shut down.
Another Weld County Quake Prompts Closure Of Injection WellExperts are looking at the latest in a string of earthquakes to rattle an area near Greeley with questions about whether it's related to oil and gas operations.
Western Slope Landslide: It’s Just A Matter Of WhenThe landslide that skidded down out of a bowl shaped drop-off from the Grand Mesa Sunday night had enough material to stretch out for three miles, and it was hundreds of feet deep in some spots.
Rock Slides Will Remain Common Because Of The Significant SnowpackThe slopes in Colorado are becoming very active and one U.S. Forest Service official said it's erosion in action.
State Agency Examines Colorado Headwaters AreasPoor surface-water quality in some Colorado headwaters areas isn't due to human activities like mining but to geology, according to a new Colorado Geological Society study that examined water quality.
Colorado Agency Studies Land Around Old Front Range MinesHomes across parts of the Front Range are facing an underground threat from old coal mines.
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