http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
547 pages : illustrations, folded maps. (1 in pocket) ; 24 cm.
Metals, nonmetals, and fuels, by J. W. Vanderwilt.--Summaries of mining districts and mineral deposits, prepared by the U. S. Geological Survey, under the general supervision of W. S. Burbank.--Investigations of strategic mineral resources, by W. M. Traver, jr.
Prepared under the supervision of John W. Vanderwilt, consulting geologist.