TY - RPRT TI - Sedimentologic and stratigraphic framework of the upper part of the Fort Union Formation, western Powder River basin, Wyoming AU - J. N. Weaver AU - R. M. Flores PY - 1987 DO - 10.3133/mf1929 UR - https://pubs.usgs.gov/publication/mf1929 ID - mf1929 ER -