TY - RPRT TI - Stratigraphic sections of middle Jurassic Entrada sandstone and related rocks from Dewey Bridge, Utah, to Bridgeport, Colorado AU - Robert Brett O'Sullivan AU - G. N. Pipiringos PY - 1983 DO - 10.3133/oc122 UR - https://pubs.usgs.gov/publication/oc122 ID - oc122 ER -