TY - RPRT TI - A review of the geology and petroleum resource potential of the Montana thrust belt, with a section on geology of potential Mississippian reservoir rocks, Montana Disturbed Belt sector of the Montana thrust belt AU - William J. Perry AU - K. M. Nichols PY - 1988 DO - 10.3133/ofr88450c UR - https://pubs.usgs.gov/publication/ofr88450C ID - ofr88450C ER -