http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Trends in the water budget of the Mississippi River basin, 1949-1997
from the National Streamflow Information Program
National Streamflow Information Program (Geological Survey (U.S.))
Title from PDF title screen (viewed on May 10, 2005).
Mode of access: Internet from the USGS web site. Address as of 05/06/08: http://pubs.usgs.gov/fs/2005/3020/pdf/FS2005%5F3020.pdf ; current access is available via PURL.
Fact sheet (Geological Survey (U.S.)) ; 2005-3020