http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
2 maps : color ; 82 x 76 cm. and 82 x 91 cm., on sheets 147 x 107 cm. and 145 x 107 cm., folded in envelope 30 x 24 cm.
by Harald Drewes ; Department of the Interior, United States Geological Survey.
Relief shown by contours and spot heights.
Includes 10 col. cross-sections, text, map of "Main sourceses of data for map and structure sections," and "Index map of main structural elements."
Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1109