TY - RPRT TI - The Conterminous United States Mineral Assessment Program; background information to accompany folio of geologic, geochemical, geophysical, remote sensing, and mineral resource maps of the Wallace 1 degree x 2 degrees Quadrangle, Montana and Idaho AU - Jack Edward Harrison AU - David L. Leach AU - M. Dean Kleinkopf AU - Carl L. Long AU - Larry C. Rowan AU - Richard F. Marvin PY - 1986 DO - 10.3133/cir920 UR - https://pubs.usgs.gov/publication/cir920 ID - cir920 ER -