NAWQA Method, Sampling, and Analytical Protocols
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U.S. Department of the Interior, U.S. Geological Survey
Maintainer: Kerie Hitt (kjhitt@usgs.gov) Last update: 15:31:25 Fri 25 Jul 2008 Privacy Statement || Disclaimer || Accessibility URL: http://water.usgs.gov/nawqa/protocols/bioprotocols.html |