http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Preliminary aerial photographic interpretative map showing features related to the May 18, 1980 eruption of Mount St. Helens, Washington
1 map ; 89 x 62 cm., folded in envelope 25 x 32 cm.
Relief shown by contours and spot heights.
Miscellaneous field studies ; map MF-1254