http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
United States Geological Survey research on mineral resources
V.E. McKelvey Forum on Mineral and Energy Resources.
volumes : illustrations, maps ; 26-28 cm.
Alternate issues have title: USGS research on energy resources : program and abstracts.
Books and Open-File Report Section, U.S. Geological Survey, Federal Center, Box 25425, Denver, CO 80225