http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Surface-water monitoring in watersheds of the Powder River Basin, 2005
[by Melanie L. Clark, John H. Lambing, and Andrew L. Bobst] ; prepared in cooperation with the Montana Department of Environmental Quality.
Title from PDF title screen (viewed on July 31, 2008).
Mode of access: Internet from the USGS web site. Address as of 7/31/08: http://pubs.usgs.gov/fs/2005/3137/pdf/fs2005-3137.pdf ; current access available via PURL.
Fact sheet (Geological Survey (U.S.)) ; 2005-3137