Geology
April 15, 2021
A few new publications
For those of you who are recent subscribers to the CGS mailing list, we wanted to direct your attention to…
Boulder
Boulder County is one of the 64 counties in Colorado. The population as of the 2010 census was 294,567. The county seat and most populous municipality is the town of Boulder. It is named after the large granite boulders in the area.
Geology
April 12, 2017
OF-16-05 Geologic Map of the Longmont Quadrangle, Boulder and Weld Counties, Colorado
We just uploaded the most recent of our STATEMAP mapping products to…
Geology
November 7, 1882
Case Study: The Big One
It has been 140 years since “The Big One”: Colorado’s largest historic earthquake: November 7, 1882 – Magnitude 6.6. On…