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Erick Bora

Student Assistant…

Enrique Chon

IS-85 Colorado Mineral and Energy Industry Activities 2021-2022

The current annual Colorado Mineral and Energy Industry Activities report for 2021-22 is now available. Following up on…

OF-19-01 Geology and Groundwater Resources of La Plata County, Colorado

This report extends our county-based geology and groundwater series and provides a regional overview with the general…

New Colorado 30×60 minute quadrangle datasets

Underwritten with special supplemental funding though the US Geological Survey (USGS) STATEMAP Program, we digitized, re-compiled, and quality-controlled several…

Jerry Boak

Scott Lundstrom (Durango)

Ralph Shroba

Karen Houck

Debbie Cockburn

Mary Gillam (Durango)

Jay Temple (Westcliffe)

Kenneth Swift Bird

Emma Blair

Ashton Killen

Alexander Marr

Alex Papp

Emily Perman

Declan Knies

OF-20-04 Geologic Map of the Cedaredge Quadrangle, Delta County, Colorado

The purpose of this publication is to describe the geology, geologic resources, and geologic hazards of this 7.5-minute quadrangle. It…

IS-85 Colorado Mineral and Energy Industry Activities 2021-2022

The next edition of our annual Colorado Mineral and Energy Industry Activities report is ready for download. This edition is…

OF-22-02 Geologic Map of the Brighton Quadrangle, Adams County, Colorado

The purpose of this publication is to describe the geology, geologic resources, and geologic hazards of this 7.5-minute quadrangle. It…

115th Annual AASG Meeting, Glenwood Springs, Colorado

The 2023 Association of American State Geologists meeting—hosted by the Colorado Geological Survey—takes place in Glenwood…

OF-22-09 Geochronology and Geomorphic Mapping to Estimate Debris-flow Depositional Ages and Recurrence Intervals Along State Highways 145 and 62, San Miguel County, Colorado

Debris-flows are a common problem in the mountainous areas of the state, and this project—requested and funded by the…

Colorado Water Plan 2023

“Water is the lifeblood of our state, and we are taking strong actions to protect Colorado’s water for generations to…

OF-22-12D Digital Compilation of Surficial Geology of the Craig 30×60 Minute Quadrangle, Moffat and Routt Counties, Colorado (Data)

This 30×60 minute map, provided as a digital GIS dataset, is a 2022 compilation of the original 1982 USGS (…

OF-22-18D Digital Compilation of Surficial Geology of the Walden 30×60 Minute Quadrangle, Jackson, Larimer, and Routt Counties, Colorado (Data)

This 30×60 minute map, provided as a digital GIS dataset, is a 2022 compilation of the original 1991 USGS (…

OF-22-17D Digital Compilation of Surficial Geology of the Steamboat Springs 30×60 Minute Quadrangle, Grand, Jackson, and Routt Counties, Colorado (Data)

This 30×60 minute map, provided as a digital GIS dataset, is a 2022 compilation of the original 1991 USGS map…

OF-22-15D Digital Compilation of Surficial Geology of the Meeker 30×60 Minute Quadrangle, Garfield, Moffat, Rio Blanco, and Routt Counties, Colorado (Data)

This 30×60 minute map, provided as a digital GIS dataset, is a 2022 compilation of the original 1989 USGS map…

OF-22-16D Digital Compilation of Surficial and Bedrock Geology of the Montrose 30×60 Minute Quadrangle, Gunnison, Hinsdale, Montrose, Ouray, and San Miguel Counties, Colorado (Data)

This 30×60 minute map, provided as a digital GIS dataset, is a 2022 compilation of the original 1989 USGS (…