Environmental Monitoring and Assessment Program Western Pilot Project [electronic resource] : conditions of North Dakota perennial streams for water chemistry and mercury in fish tissue, 2000-2003 / Kevin C. Vining and Robert F. Lundgren.
Imprint
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2008]
Mode of access: Internet from the USGS web site. Address as of 7/14/08: http://pubs.usgs.gov/fs/2008/3028/pdf/fs2008-3028.pdf; current access available via PURL.
Note
Title from title screen (viewed on July 14, 2008).