TY - RPRT TI - The occurrence of gold in siliceous Co-Cu exhalite deposits of the Blackbird mining district, Lemhi County, Idaho AU - J. T. Nash AU - G.A. Hahn AU - J. A. Saunders PY - 1987 DO - 10.3133/ofr87410 UR - https://pubs.usgs.gov/publication/ofr87410 ID - ofr87410 ER -