Geology
March 30, 2023
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…
quadrangle
The CGS has produced detailed 7.5-minute geologic <a href=”https://en.wikipedia.org/wiki/Quadrangle_(geography)” rel=”noopener” target=”_blank”>quadrangle maps</a> of almost 150 of the 1,400 ‘quads’ covering Colorado.
Geology
September 9, 2020
Recent STATEMAP quadrangles
The CGS actively participates in the STATEMAP portion of…
Geology
April 24, 2020
OF-19-03 Geologic Map of the La Salle Quadrangle, Weld County, Colorado
As we continue to expand geological mapping coverage of Colorado, we recently uploaded another of our…
Geology
June 27, 2017
OF-16-02 Geologic Map of the Watkins Quadrangle, Arapahoe and Adams Counties, Colorado
We’ve just uploaded the next of our free STATEMAP quadrangle map products to…
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…