TY - RPRT TI - Map showing mineral resource assessment for placer gold and silver, Dillon 1 degree by 2 degrees Quadrangle, Idaho and Montana AU - R. C. Pearson AU - J. S. Loen AU - C. M. Trautwein AU - E. T. Ruppel AU - S. H. Moll PY - 1991 DO - 10.3133/i1803f UR - https://pubs.usgs.gov/publication/i1803F ID - i1803F ER -