TY - RPRT TI - East-west cross sections of the Jurassic age San Rafael Group rocks from western Colorado to central and western Utah AU - James Clifton Wright AU - Dayton Delbert Dickey PY - 1978 DO - 10.3133/ofr78784 UR - https://pubs.usgs.gov/publication/ofr78784 ID - ofr78784 ER -