TY - RPRT TI - Preliminary interpretation of thrust-fault patterns in western Montana and east-central Idaho AU - C. A. Wallace AU - E. T. Ruppel AU - J. E. Harrison AU - M.W. Reynolds PY - 1982 DO - 10.3133/ofr82614 UR - https://pubs.usgs.gov/publication/ofr82614 ID - ofr82614 ER -