http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Metallic mineral resources map of the Mount Katmai quadrangle, Alaska
1 map ; 47 x 49 cm. on sheet 59 x 53 cm., folded in envelope 34 x 23 cm.
compiled by Edward H. Cobb ; Department of the Interior, United States Geological Survey.
Relief shown by contours and spot heights. Depths shown by bathymetric isolines and soundings.
Includes location index map, explanation of map units, and description of mineral deposits.
"Base by the U.S. Geological Survey, 1951."
Miscellaneous field studies ; map MF-461