Finding gold on the Fourth of July
Along with marking Independence Day in the United States, the Fourth of July takes on another layer of significance in …
mining
Gold!
On May 6th, 1859, John Gregory discovered the first gold lode in Colorado on a hill near the current town …
Coal Mine Fires in Colorado
Investigations continue in an effort to determine the cause of the Marshall Fire in Boulder County. One potential cause may …
Time Machine Tuesday: Roaring Fork Valley Ghost Towns
Located near Aspen, Colorado, are the ghost towns of Ashcroft and Independence, two fascinating reminders of the mining boom era …
Time Machine Tuesday: Colorado in the Cold War
Seventy-five years ago this week, on July 16, 1945, the United States conducted its first nuclear detonation at the Trinity …
Time Machine Tuesday: Tungsten Mining in Colorado
Colorado mining isn’t just about gold and silver. There are many other metals, minerals, and elements that have been mined …
The Hope Diamond’s Colorado Connection
One of the world’s most famous diamonds has a Colorado connection. The dazzling blue Hope Diamond, weighing 45.52 carats, is …
Time Machine Tuesday: Mine Accidents and Safety
Explosions. Cave-ins. Blasting accidents. Gas leaks. Floods. Carbon monoxide. In the nineteenth and early twentieth century, mining was one of …
Georgetown Loop Railroad
Looking for a fun activity this summer? The Georgetown Loop Historic Mining & Railroad Park® is located just 45 minutes …
Time Machine Tuesday: Colorado Minerals and Geology
One of the most frequently accessed publications in our library’s digital collection is The Minerals of Colorado and Area Locations. Published …
Time Machine Tuesday: History of Aspen, Colorado
Today, Aspen’s riches come from the ski industry — but they used to come from silver mining. Aspen was founded …
How Geology Helped Build the Moffat Road
Our library recently received a fascinating new document for our collection that will be of interest to historians researching Colorado’s …
Is Your House on Shaky Ground?
Ground subsidence problems are very real in Colorado. Whether from naturally occurring elements in the soil or from the effects …
Time Machine Tuesday: The Victor Labor War of 1903-04
Victor, Colorado, near Cripple Creek in Teller County, is one of Colorado’s most historic mining towns. Incorporated in 1894, Victor …
Time Machine Tuesday: Uranium Mining
Uranium was discovered in southwestern Colorado in the late nineteenth century. It comes from carnotite ore, which also produces vanadium. …
Colorado Coal Resources
Coal is one of Colorado’s most significant mineral resources, and over the years has played an important part in our …
Time Machine Tuesday: Leadville Metals Exposure Study
Leadville is one of Colorado’s most historic mountain towns. Though a small mountain town today, in the 1870s and 1880s …
Time Machine Tuesday: The White Ash Mine Disaster
This fall the Colorado School of Mines unveiled a new memorial dedicated to the victims of the White Ash Mine …
Time Machine Tuesday: Molybdenum
When most people think of Colorado mining, they think of gold or silver, or maybe coal. But one of Colorado’s …
Time Machine Tuesday: Colorado's Coal Mines
While Colorado was founded on gold and silver, coal mining became the state’s most significant mining industry by the turn …