TY - RPRT TI - Naturally occurring and mining-affected dissolved metals in two subbasins of the Upper Animas River Basin, southwestern Colorado AU - Winfield G. Wright AU - Cathy J. Janik PY - 1996 DO - 10.3133/fs24395 UR - https://pubs.usgs.gov/publication/fs24395 ID - fs24395 ER -