1 folded sheet (6 unnumbered pages) : color illustrations, color map ; 28 cm
OCLC
ocm57553243
Caption title.
"November 2004"--P. [1].
"U.S. Department of the Interior, U.S. Geological Survey"--P. [1].
Shipping list no.: 2005-0098-P.
Also available via Internet from the USGS web site. Address as of 3/9/05: http://water.usgs.gov/pubs/fs/2004/3134/pdf/fs2004-3134.pdf; current access is available via PURL.