1 folded sheet (6 pages) : illustrations (chiefly color), color maps ; 28 cm
OCLC
ocm51918683
Caption title.
"U.S. Department of the Interior, U.S. Geological Survey"--P. [1].
Also available via Internet from the USGS web site. Address as of 10/10/03: http://geopubs.wr.usgs.gov/fact-sheet/fs017-03/fs017-03.pdf; current access is available via PURL.