TY - RPRT TI - Acid-neutralizing potential of igneous bedrocks in the Animas River headwaters, San Juan County, Colorado AU - George A. Desborough AU - Douglas B. Yager PY - 2000 DO - 10.3133/ofr00165 UR - https://pubs.usgs.gov/publication/ofr00165 ID - ofr00165 ER -