TY - RPRT TI - Stratigraphic section of part of the Green River Formation and underlying units exposed in Tommys Draw, western Piceance Creek Basin, Colorado AU - W. B. Cashion AU - Henry W. Roehler PY - 1975 DO - 10.3133/ofr75422 UR - https://pubs.usgs.gov/publication/ofr75422 ID - ofr75422 ER -