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geology

Colorado State Publications Blog

Time Machine Tuesday: I-70 Glenwood Canyon

The Glenwood Canyon highway construction project still ranks as one of the most ambitious engineering…

Amy Zimmer, April 6, 2021
Colorado State Publications Blog

Wildfires, Erosion, and Flooding

This month’s damaging wildfires will have the potential to create serious flooding, erosion, and landslides…

Amy Zimmer, August 27, 2020
Colorado State Publications Blog

Time Machine Tuesday: Colorado in the Cold War

Seventy-five years ago this week, on July 16, 1945, the United States conducted its first…

Amy Zimmer, July 14, 2020
Colorado State Publications Blog

Time Machine Tuesday: The Mount St. Helens Eruption

This spring marks the 40th anniversary of the volcanic activity at Mount St. Helens, which…

Amy Zimmer, May 12, 2020
Colorado State Publications Blog

The Science and Grandeur of Glaciers

When you picture a glacier, you probably imagine the Arctic. In fact, about 10% of…

Amy Zimmer, March 5, 2020
Colorado State Publications Blog

Time Machine Tuesday: Tungsten Mining in Colorado

Colorado mining isn’t just about gold and silver. There are many other metals, minerals, and…

Amy Zimmer, February 18, 2020
Colorado State Publications Blog

The Hope Diamond’s Colorado Connection

One of the world’s most famous diamonds has a Colorado connection. The dazzling blue Hope…

Amy Zimmer, December 19, 2019
Colorado State Publications Blog

25th Anniversary of the South Canyon Fire

This past Saturday marked the 25th anniversary of the South Canyon Fire near Glenwood Springs,…

Amy Zimmer, July 8, 2019
Colorado State Publications Blog

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…

Amy Zimmer, June 11, 2019
Colorado State Publications Blog

Time Machine Tuesday: Dinosaur Discoveries

Just about everyone is familiar with Stegosaurus, Triceratops, Diplodocus, Allosaurus, and Tyrannosaurus rex. But how…

Amy Zimmer, May 28, 2019
Colorado State Publications Blog

Time Machine Tuesday: 1984 Floods and Landslides

In May and June of 1984, unseasonably warm temperatures caused that winter’s heavy snowfalls to…

Amy Zimmer, May 21, 2019
Colorado State Publications Blog

Colorado Hazard Mapping Tools

Flood season has arrived, and the State of Colorado has a number of online tools…

Amy Zimmer, May 2, 2019
Colorado State Publications Blog

Time Machine Tuesday: Florissant Fossil Beds

This year, Florissant Fossil Beds National Monument is celebrating its 50th anniversary. Since the nineteenth…

Amy Zimmer, April 2, 2019
Colorado State Publications Blog

Time Machine Tuesday: Colorado Minerals and Geology

One of the most frequently accessed publications in our library’s digital collection is The Minerals of…

Amy Zimmer, March 12, 2019
Colorado State Publications Blog

How Geology Helped Build the Moffat Road

Our library recently received a fascinating new document for our collection that will be of…

Amy Zimmer, September 13, 2018
Colorado State Publications Blog

Is Your House on Shaky Ground?

Ground subsidence problems are very real in Colorado. Whether from naturally occurring elements in the…

Amy Zimmer, September 6, 2018
Colorado State Publications Blog

Time Machine Tuesday: Colorado Yule Marble

Lincoln Memorial. Did you know that the Tomb of the Unknown Soldier and the Lincoln…

Amy Zimmer, June 19, 2018
Colorado State Publications Blog

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…

Amy Zimmer, May 29, 2018
Colorado State Publications Blog

Time Machine Tuesday: Uranium Mining

Uranium was discovered in southwestern Colorado in the late nineteenth century.  It comes from carnotite…

Amy Zimmer, July 18, 2017
Colorado State Publications Blog

Colorado Coal Resources

Coal is one of Colorado’s most significant mineral resources, and over the years has played…

Amy Zimmer, March 27, 2017
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