TY - RPRT TI - Environmental Impact of the Helen, Research, and Chicago Mercury Mines on Water, Sediment, and Biota in the Upper Dry Creek Watershed, Lake County, California AU - James J. Rytuba AU - Roger L. Hothem AU - Jason T. May AU - Christopher S. Kim AU - David Lawler AU - Daniel Goldstein AU - Brianne E. Brussee PY - 2009 DO - 10.3133/ofr20081382 UR - https://pubs.usgs.gov/publication/ofr20081382 ID - ofr20081382 ER -