http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Metallogenic map of volcanogenic massive-sulfide occurences in New Mexico
1 map ; 65 x 59 cm., on sheet 78 x 121 cm., folded in envelope 30 x 24 cm.
Department of the Interior, U.S. Geological Survey ; by J.M. Robertson, M.S. Fulp, and M.D. Daggett III.
Miscellaneous field studies ; map MF-1853-A