TY - RPRT TI - Volcanogenic character of sediment-hosted Co-Cu deposits in the Blackbird mining district, Lemhi County, Idaho; an interim report AU - J. T. Nash AU - G.A. Hahn PY - 1986 DO - 10.3133/ofr86430 UR - https://pubs.usgs.gov/publication/ofr86430 ID - ofr86430 ER -