http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Pesticides in ground water, Niobrara and Weston Counties, Wyoming, 2005-2006
[prepared by Cheryl A. Eddy-Miller] ; in cooperation with the Wyoming Department of Agriculture (WDA) and the Wyoming Department of Environmental Quality (WDEQ).
Title from PDF title screen (viewed on July 16, 2008).
Mode of access: Internet from the USGS web site. Address as of 7/16/08: http://pubs.usgs.gov/fs/2007/3024/pdf/fs2007-3024.pdf ; current access available via PURL.
Pesticides in ground water - Niobrara and Weston Counties, Wyoming, 2005-2006
Fact sheet (Geological Survey (U.S.)) ; 2007-3024