Where is it Legal to Pan for Gold?
They say what goes around comes around. The first great wave of settlers came to Colorado in the 1859 Pikes …
geology
Swelling Soils: Homebuyers Beware
If you’re looking at buying a home in the Denver Metro area, particularly in the area around C-470 near Bowles …
Silver Mining
Colorado is famous for its gold – our State Capitol dome is clad in the precious metal, and the Pikes Peak …
Dinosaur National Monument
On this day 97 years ago, October 4, 1915, Dinosaur National Monument in western Colorado and eastern Utah was established. Dinosaur …
Colorado’s State Symbols: The State Rock
Not to be confused with the State Gemstone (Aquamarine) and the State Mineral (Rhodochrosite), the State Rock is Colorado Yule …
Colorado’s State Symbols: The State Mineral
Colorado’s State Mineral is the deep red Rhodochrosite. The Colorado State Archives tells us that “On April 17, 2002, Colorado Governor Bill …
Colorado Geology for Tourists
Are you taking a road trip through Colorado this summer? Looking for something to do with out-of-town guests? Or just …
Colorado's State Symbols: The State Gemstone
Because Colorado’s mountains are rich in minerals, there are many gemstones to be found in our state, but only one …
Colorado's State Symbols: The State Fossil
Schoolchildren suggested Colorado adopt a state fossil, the dinosaur Stegosaurus, in 1982. One of the most recognized dinosaurs, with its …
Hayden Expedition
The famous Hayden Expedition of 1871, led by geologist Ferdinand V. Hayden, was instrumental in surveying and mapping what would …
Colorado Geology
This weekend I visited Roxborough State Park for the first time. My hike along the trail brought …
Dinosaur National Monument
Today is the 96th birthday of Dinosaur National Monument, designated in 1915. The area is named, of course, for the …
The Colorado Gold Rush.
Did you know it’s believed that more people came to the Colorado Gold Rush than to the California Gold Rush? …
Earthquakes in Colorado
Last night southwestern Colorado was shaken by a magnitude 5.3 earthquake centered 9 miles southwest of Trinidad. Large earthquakes are …
Colorado Gemstones
Colorado is certainly known for mining gold, silver, and other minerals, but many people don’t realize that Colorado is also …
Tourist Mines
Colorado has a rich history of mining and mineral extraction; in fact, if not for the 1859 Pikes Peak Gold …
Rockfall
The recent closure of I-70 due to a huge rockfall in Glenwood Canyon made me curious to see what information …
Colorado Geology Map for Tourists
If you’re taking a road trip through Colorado this summer, you might want to check out the Colorado Geological Survey’s …
Dinosaurs in Colorado
We just received from the Colorado Geological Survey a cd-rom entitled Dinosaurs in Our Backyard. This is an interactive look …
Volcanoes in the Western U.S.
Last weekend, on vacation in New Mexico, I visited the Bandalier National Monument and the nearby Valles Caldera National Preserve, …