TY - RPRT TI - Geologic and structure map of the south half of the Powder River and adjacent areas, northeastern Wyoming AU - N.M. Denson AU - M.L. Gibson AU - G.L. Sims PY - 1992 DO - 10.3133/i2281b UR - https://pubs.usgs.gov/publication/i2281B ID - i2281B ER -