TY - RPRT TI - Alteration Map Showing Major Faults and Veins and Associated Water-Quality Signatures of the Animas River Watershed Headwaters Near Silverton, Southwest Colorado AU - Dana J. Bove AU - Douglas B. Yager AU - M. Alisa Mast AU - J. Brad Dalton PY - 2007 DO - 10.3133/sim2976 UR - https://pubs.usgs.gov/publication/sim2976 ID - sim2976 ER -