1 folded sheet (4 unnumbered pages) : color illustrations, color map ; 28 cm
OCLC
ocm39776532
"July 1998"--P. [1].
"U.S. Department of the Interior, U.S. Geological Survey"--P. [1].
Shipping list no.: 1998-0344-P.
Includes bibliographical references (page [4]).
Also available via Internet from the USGS web site. Address as of 8/20/02: http://wwwdwatcm.wr.usgs.gov/reports/fs082-98/index.html ; current access available via PURL.