Geochemical characterization of slags, other mine waste, and their leachate from the Elizabeth and Ely Mines (Vermont), the Ducktown Mining District (Tennessee), and the Clayton Smelter Site (Idaho) - Piatak, Nadine M.; Seal II, Robert R.; Hammarstrom, Jane; Meier, Allen; Briggs, Paul (Open-File Report, 2003)