http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
232 pages : illustrations, maps. ; 23 cm.
[by] Stanley S. Johnson and Miles E. Tyrrell, in cooperation with U.S. Bureau of Mines.
Mineral resources report (Virginia. Division of Mineral Resources) ; 8