TY - RPRT TI - Seismic amplitude anomalies associated with thick First Leo sandstone lenses, eastern Powder River basin, Wyoming AU - A. H. Balch AU - Myung W. Lee AU - J. J. Miller AU - R. T. Ryder PY - 1981 DO - 10.1190/1.1441158 UR - https://pubs.usgs.gov/publication/70012015 ID - 70012015 ER -