Revision History for USGS Open-File Report 2012-1203

  Stephen M. Wiele, Anne M.D. Brasher, Matthew P. Miller, 
  Jason T. May, and Kurt D. Carpenter

  Biotic, Water-Quality, and Hydrologic Metrics Calculated 
  for the Analysis of Temporal Trends in National Water 
  Quality Assessment Program Data in the Western United 
  States

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  Posted online at http://pubs.usgs.gov/of/2012/1203/
  October 4, 2012

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