OF-94-01 Preliminary Reconnaissance Geologic Map of the Southern Part of the Glenwood Springs Quadrangle, Colorado Download Publication Details Black and white map of the southern half or the Glenwood Springs quadrangle in Garfield County. One of our first working with the USGS in their new Statemap program. 1 plate (1:24,000). Superseded by colorized, digital map MS-38. Digital PDF download. OF-94-01D Citations Kirkham, Robert M., and Randall K. Streufert. “OF-94-01 Preliminary Reconnaissance Geologic Map of the Southern Part of the Glenwood Springs Quadrangle, Colorado.” Geologic, 1:24,000. Open File Report. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, 1994. https://doi.org/10.58783/cgs.of9401.rjwj1517. CGS Publications. https://coloradogeologicalsurvey.org/publications/recon-geologic-map-glenwood-springs-quadrangle-garfield-colorado/.