TY - RPRT TI - Basin-margin depositional environments of the Fort Union and Wasatch Formations in the Buffalo-Lake De Smet area, Johnson County, Wyoming AU - Stanley L. Obernyer PY - 1979 DO - 10.3133/ofr79712 UR - https://pubs.usgs.gov/publication/ofr79712 ID - ofr79712 ER -