Suggested citation and version history for: 


  Rytuba, J.J., Hothem, R.L., May, J.T., Kim, C.S., 
       Lawler, D. , Goldstein, D., and Brussee, B.E., 2008, 
       Environmental impact of the Helen, Research, and 
       Chicago mercury mines on water, sediment, and biota 
       in upper Dry Creek watershed, Lake County, 
       California: U.S. Geological Survey Open-File Report 
       2008-1382, 59 p. 
       [http://pubs.usgs.gov/of/2008/1382/].


  Version 1.0, April 28, 2009

  Initial release online at
  http://pubs.usgs.gov/of/2008/1382/