TY - RPRT TI - Regional baseline geochemistry and environmental effects of gold placer mining operations on the Fortymile River, eastern Alaska AU - R. B. Wanty AU - Bronwen Wang AU - Jim Vohden AU - Paul H. Briggs AU - A.H. Meier PY - 1999 DO - 10.3133/ofr99328 UR - https://pubs.usgs.gov/publication/ofr99328 ID - ofr99328 ER -