http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
reconnaissance for sulfonylurea herbicides in waters of the midwestern USA
an example of collaboration between the public and private sectors
by William A. Battaglin, Edward T. Furlong, and C. John Peter.
Title from PDF title screen (viewed on July 6, 2004).
Title from PDF title screen (viewed July 6, 2004).
"Approximately 50 samples were collected by USGS personnel from 40 sites."
Mode of access: Internet from the GPO permanent archive. Address as of 7/6/04: http://permanent.access.gpo.gov/waterusgsgov/water.usgs.gov/pubs/fs/FS-046-98/fs-046-98.pdf ; current access is available via PURL.
Fact sheet (Geological Survey (U.S.)) ; FS-98-046