2 unnumbered pages : color illustrations, color map ; 28 cm
OCLC
ocm37821904
Caption title.
Shipping list no.: 1998-0015-P.
"September 1997."
Also available via Internet from the USGS Web site. Address as of 7/26/04: http://pubs.usgs.gov/fs/fs137-97/fs137-97.html; current access available via PURL.