TY - RPRT TI - Chemical data and lead isotopic compositions of geochemical baseline samples from streambed sediments and smelter slag, lead isotopic compositions in fluvial tailings, and dendrochronology results from the Boulder River watershed, Jefferson County, Montana AU - Daniel M. Unruh AU - David L. Fey AU - Stan E. Church PY - 2000 DO - 10.3133/ofr0038 UR - https://pubs.usgs.gov/publication/ofr0038 ID - ofr0038 ER -