TY - RPRT TI - Maps showing outcrop, structure contours, cross sections, and isopachs of Partings-Mammoth coal bed, Paleocene Tongue River Member of the Fort Union Formation, Bull Mountain coal field, south-central Montana AU - Carol Waite Conner PY - 1988 DO - 10.3133/coal126a UR - https://pubs.usgs.gov/publication/coal126A ID - coal126A ER -