http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
iv, 33 pages : illustrations, charts (some folded), maps ; 28 cm.
Coordination of the efforts of the volunteer teams was done by Geotechnical Corporation under Project VELA AF 33(657)-12145 T/4051.