TY - RPRT TI - Stratigraphic sections of the oil shale deposits in the western part of the Piceance Creek Basin, Garfield and Rio Blanco Counties, Colorado AU - John Roswell Donnell AU - W. B. Cashion AU - W.M. Zilbersher AU - W.C. Gibson AU - M. G. Wolman PY - 1950 DO - 10.3133/ofr5016 UR - https://pubs.usgs.gov/publication/ofr5016 ID - ofr5016 ER -