Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001
Denver, Colo. : For sale by the U.S. Geological Survey, 2001
Physical Details
1 poster : both sides, color ; 112 x 65 cm
ISBNs
060798192X, 9780607981926
OCLC
ocm48844930
Text and illustrations from verso of poster and, additionally, volcano lesson plans and interactive model of Mt. St. Helens, also available via Internet from the USGS web site. Address as of 1/8/02: http://www.usgs.gov/education/learnweb/volcano/; current access is available via PURL.