
August 23, 2023
OF-21-02 Geologic Map of the Valley View School Quadrangle, Weld County, Colorado
The purpose of this publication is to describe the geology, geologic resources, and geologic hazards of this 7.5-minute quadrangle. It…
August 23, 2023
The purpose of this publication is to describe the geology, geologic resources, and geologic hazards of this 7.5-minute quadrangle. It…
August 22, 2023
This 30×60 minute map, provided as a digital GIS dataset only, is a 2022 compilation of the original 1989 USGS…
August 16, 2023
Geology
August 9, 2023
This year’s September 10th Geology Train — a very special and popular opportunity to enjoy…
Hazards
August 7, 2023
Although the US wildfire season this year doesn’t seem quite as intense as prior ones, we thought this excellent primer…
July 31, 2023
James McCalpin…
June 15, 2023
May 15, 2023
Student Assistant…
May 3, 2023
Minerals
April 13, 2023
The current annual Colorado Mineral and Energy Industry Activities report for 2021-22 is now available. Following up on…
April 7, 2023
This report extends our county-based geology and groundwater series and provides a regional overview with the general…
Geology
March 30, 2023
Underwritten with special supplemental funding though the US Geological Survey (USGS) STATEMAP Program, we digitized, re-compiled, and quality-controlled several…
March 29, 2023
March 24, 2023
March 24, 2023
March 24, 2023
March 15, 2023
March 15, 2023
March 15, 2023
March 15, 2023
March 15, 2023
March 15, 2023
March 15, 2023
March 15, 2023
March 15, 2023
March 14, 2023
The purpose of this publication is to describe the geology, geologic resources, and geologic hazards of this 7.5-minute quadrangle. It…
March 8, 2023
The next edition of our annual Colorado Mineral and Energy Industry Activities report is ready for download. This edition is…
March 8, 2023
The purpose of this publication is to describe the geology, geologic resources, and geologic hazards of this 7.5-minute quadrangle. It…
admin
March 1, 2023
The 2023 Association of American State Geologists meeting—hosted by the Colorado Geological Survey—takes place in Glenwood…
February 21, 2023
Debris-flows are a common problem in the mountainous areas of the state, and this project—requested and funded by the…