TY - RPRT TI - Transgressive-regressive cycles in the metalliferous, oil-shale-bearing Heath Formation (Upper Mississippian), central Montana AU - Julie A. Dumoulin AU - Craig A. Johnson AU - Karen D. Kelley AU - Palma J. Botterell AU - Paul C. Hackley AU - Clint Scott AU - John F. Slack PY - 2017 DO - 10.29041/strat.14.1-4.97-122 UR - https://pubs.usgs.gov/publication/70200597 ID - 70200597 ER -