Time Machine Tuesday: I-70 Glenwood Canyon
The Glenwood Canyon highway construction project still ranks as one of the most ambitious engineering…
geology
Wildfires, Erosion, and Flooding
This month’s damaging wildfires will have the potential to create serious flooding, erosion, and landslides…
Time Machine Tuesday: Colorado in the Cold War
Seventy-five years ago this week, on July 16, 1945, the United States conducted its first…
Time Machine Tuesday: The Mount St. Helens Eruption
This spring marks the 40th anniversary of the volcanic activity at Mount St. Helens, which…
The Science and Grandeur of Glaciers
When you picture a glacier, you probably imagine the Arctic. In fact, about 10% of…
Time Machine Tuesday: Tungsten Mining in Colorado
Colorado mining isn’t just about gold and silver. There are many other metals, minerals, and…
The Hope Diamond’s Colorado Connection
One of the world’s most famous diamonds has a Colorado connection. The dazzling blue Hope…
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…