Summary of Environmental Monitoring and Assessment Program (EMAP) activities in South Dakota, 2000-2004 [electronic resource] / by Allen J. Heakin, Kathleen M. Neitzert, and Jeffrey S. Shearer ; prepared in cooperation with the South Dakota Department of Game, Fish and Parks and the U.S. Environmental Protection Agency.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006.
Mode of access: Internet at the USGS web site. Address as of 7/30/08: http://pubs.usgs.gov/sir/2006/5007/pdf/sir2006-5007.pdf ; current access is available via PURL.