TY - RPRT TI - Reconnaissance geologic map of the Royal Gorge Quadrangle, Fremont and Custer counties, Colorado AU - R. B. Taylor AU - G. R. Scott AU - R. A. Wobus AU - R.C. Epis PY - 1975 DO - 10.3133/i869 UR - https://pubs.usgs.gov/publication/i869 ID - i869 ER -