U.S. Geological Survey

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

By Daniel M. Unruh, David L. Fey, and Stanley E. Church

U.S. Geological Survey Open-File Report 00-0038

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