TY - RPRT TI - A GIS and statistical approach to identify variables that control water quality in hydrothermally altered and mineralized watersheds, Silverton, Colorado, USA AU - Douglas B. Yager AU - Raymond H. Johnson AU - Barnaby W. Rockwell AU - Jonathan S. Caine AU - Kathleen S. Smith PY - 2013 DO - 10.1007/s12665-013-2229-y UR - https://pubs.usgs.gov/publication/70193295 ID - 70193295 ER -