The Hope Diamond’s Colorado Connection
One of the world’s most famous diamonds has a Colorado connection. The dazzling blue Hope…
geology
25th Anniversary of the South Canyon Fire
This past Saturday marked the 25th anniversary of the South Canyon Fire near Glenwood Springs,…
Time Machine Tuesday: Black Canyon of the Gunnison
Sheer cliffs, deep chasms, and dark shadows make the 2,000-foot-deep Black Canyon of the Gunnison…
Time Machine Tuesday: Dinosaur Discoveries
Just about everyone is familiar with Stegosaurus, Triceratops, Diplodocus, Allosaurus, and Tyrannosaurus rex. But how…
Time Machine Tuesday: 1984 Floods and Landslides
In May and June of 1984, unseasonably warm temperatures caused that winter’s heavy snowfalls to…
Colorado Hazard Mapping Tools
Flood season has arrived, and the State of Colorado has a number of online tools…
Time Machine Tuesday: Florissant Fossil Beds
This year, Florissant Fossil Beds National Monument is celebrating its 50th anniversary. Since the nineteenth…
Time Machine Tuesday: Colorado Minerals and Geology
One of the most frequently accessed publications in our library’s digital collection is The Minerals of…
How Geology Helped Build the Moffat Road
Our library recently received a fascinating new document for our collection that will be of…
Is Your House on Shaky Ground?
Ground subsidence problems are very real in Colorado. Whether from naturally occurring elements in the…
Time Machine Tuesday: Colorado Yule Marble
Lincoln Memorial. Did you know that the Tomb of the Unknown Soldier and the Lincoln…
Time Machine Tuesday: "Mineral and Water Resources of Colorado," 1968
Fifty years ago Colorado’s two U.S. Senators, Gordon Allott and Peter Dominick, requested the State…
Time Machine Tuesday: Uranium Mining
Uranium was discovered in southwestern Colorado in the late nineteenth century. It comes from carnotite…
Colorado Coal Resources
Coal is one of Colorado’s most significant mineral resources, and over the years has played…
All About Pikes Peak
Pikes Peak as seen from Garden of the Gods. Photo courtesy Colorado Tourism Office. Without…
Time Machine Tuesday: Leadville Metals Exposure Study
Leadville is one of Colorado’s most historic mountain towns. Though a small mountain town today,…
Time Machine Tuesday: The White Ash Mine Disaster
This fall the Colorado School of Mines unveiled a new memorial dedicated to the victims…
Time Machine Tuesday: Oil Shale
In 1921 the Colorado Geological Survey published a bulletin entitled Oil Shales of Colorado. According…
Time Machine Tuesday: Molybdenum
When most people think of Colorado mining, they think of gold or silver, or maybe…
Fracking: Risk to Homes and the Environment
Today’s Denver Post headlined “Colorado residents push to protect homes, river from fracking,” which discusses…