http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a look at the geologic past of one of America's most scenic volcanoes
Look at the geologic past of one of America's most scenic volcanoes
1 online resource (vi, 43 pages) : illustrations (some color).
Title from title screen (viewed July 15, 2016).
Includes bibliographical references (page 43).