TY - RPRT TI - Processed and interpreted U.S. Geological Survey seismic reflection profile and vertical seismic profile, Powder River and Custer Counties, Montana AU - Alfred H. Balch AU - J. J. Miller AU - Myung W. Lee AU - R. T. Ryder PY - 1981 DO - 10.3133/oc108 UR - https://pubs.usgs.gov/publication/oc108 ID - oc108 ER -