http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (vii, 709-822 pages, 3 pages of plates) : illustrations, maps, charts, photographs.
by Olcott Gates, Howard A. Powers, and Ray E. Wilcox ; with a section on surficial geology by John P. Schafer.
Title from title screen (viewed July 22, 2014).
"Prepared in cooperation with the Departments of the Army, Navy, and Air Force."
Includes bibliographical references (pages 814-816) and index.