Suggested citation and version history for Rytuba, J.J., Hothem, R.L., May, J.T., Kim, C.S., Lawler, David, and Goldstein, D., 2009, Environmental impact of the Contact and Sonoma mercury mines on water, sediment, and biota in Anna Belcher and Little Sulphur Creek watersheds, Sonoma County, California: U.S. Geological Survey Open-File Report 2008-1381, 76 p. [http://pubs.usgs.gov/of/2008/1381/]. Version 1.0 April 28, 2009 Fixed typos March 23, 2009 Initial release online at http://pubs.usgs.gov/of/2008/1381/