http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geochemical and heavy-mineral reconnaissance of the Harrisburg quadrangle, North Carolina
1 map : color ; 58 x 48 cm., on sheet 76 x 113 cm., folded in envelope 30 x 24 cm.
by Henry Bell, III ; Department of the Interior, United States Geological Survey.
Miscellaneous field studies ; map MF-272