TY - RPRT TI - Geochemical and lead isotopic data from sediment cores, fluvial tailings, iron bogs, and pre-mining terrace deposits, Animas River watershed, Colorado, 1995-1999 AU - David L. Fey AU - S. E. Church AU - Daniel M. Unruh PY - 2000 DO - 10.3133/ofr00465 UR - https://pubs.usgs.gov/publication/ofr00465 ID - ofr00465 ER -