http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Free-air gravity anomaly map, eastern Gulf of Alaska
1 map ; 45 x 70 cm., folded in envelope 25 x 32 cm.
by Nardia Burkhard [and others] ; Department of the Interior, United States Geological Survey.
Includes tables, location map, and text.
Miscellaneous field studies ; map MF-1172