TY - RPRT TI - Aeromagnetic, Bouguer gravity, and generalized geologic studies of the Great Falls-Mission Range area, northwestern Montana AU - M. Dean Kleinkopf AU - Melville Rhodes Mudge PY - 1972 DO - 10.3133/pp726a UR - https://pubs.usgs.gov/publication/pp726A ID - pp726A ER -