13 pages : digital, PDF file + 3 downloadable files of accompanying slide sets
data file
OCLC
ocn190810939
Title from PDF title screen (viewed on Jan. 14, 2008).
Includes bibliographical references.
Mode of access: Internet via the USGS web site. Address as of 07/14/08: http://pubs.usgs.gov/of/2007/1434/of2007-1434.pdf; current access available via PURL.