UID:
edocfu_9961074794202883
Umfang:
4 unnumbered pages :
,
digital, PDF file.
Ausgabe:
Version 1.1.
Serie:
Fact sheet ; 2006-3131
Anmerkung:
Title from PDF title screen (viewed on July 25, 2008).
,
"October 2007."
,
Mode of access: Internet from the USGS web site. Address as of 7/25/08: http://pubs.usgs.gov/fs/2006/3131/pdf/fs20063131.pdf; current access available via PURL
Sprache:
Englisch