http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
ii, 61 pages, 28 unnumbered folded leaves : illustrations, maps (some color) ; 29 cm.
by Joseph R. Overton [and others] ; correlation by Max J. Edwards.
Issued by the U. S. Department of Agriculture, Soil Conservation Service, in cooperation with Tennessee Agricultural Experiment Station and Tennessee Valley Authority.