TY - RPRT TI - Compilation and interpretation of water-quality and discharge data for acidic mine waters at Iron Mountain, Shasta County, California, 1940-91 AU - Charles N. Alpers AU - D. Kirk Nordstrom AU - J.M. Burchard PY - 1992 DO - 10.3133/wri914160 UR - https://pubs.usgs.gov/publication/wri914160 ID - wri914160 ER -