http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Metallic mineral resources map of the Ruby quadrangle, Alaska
Ruby quadrangle, Alaska, metallic minerals map
Relief shown by contours and spot heights.
Includes location map, and index of deposits.
Miscellaneous field studies ; map MF-405