TY - RPRT TI - Stratigraphic diagrams with electric logs of Upper Cretaceous rocks, Powder River basin, Sheridan, Johnson, Campbell, and Converse Counties, Wyoming, section D-D' AU - E.A. Merewether AU - W. A. Cobban AU - R.M. Matson AU - W.J. Magathan PY - 1977 DO - 10.3133/oc76 UR - https://pubs.usgs.gov/publication/oc76 ID - oc76 ER -