TY - RPRT TI - Maps showing mineral resource assessment for copper and molybdenum in porphyry and stockwork deposits and for tungsten, iron, gold, copper, and silver in skarn deposits, Dillon 1° x 2° quadrangle, Idaho and Montana AU - R. C. Pearson AU - C. M. Trautwein AU - S. H. Moll AU - B. R. Berger AU - W. F. Hanna AU - J. S. Loen AU - L. C. Rowan AU - E. T. Ruppel AU - D. B. Segal PY - 1992 DO - 10.3133/i1803g UR - https://pubs.usgs.gov/publication/i1803G ID - i1803G ER -