TY - RPRT TI - Geologic map of the Vernal 1 degree by 2 degrees Quadrangle, Colorado, Utah and Wyoming AU - P. D. Rowley AU - Ogden Tweto AU - W. R. Hansen AU - P. E. Carrara PY - 1979 DO - 10.3133/mf1163 UR - https://pubs.usgs.gov/publication/mf1163 ID - mf1163 ER -