http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National wild and scenic rivers system, December 1990
2 maps on 1 sheet : color, both sides ; sheet 71 x 107 cm., folded to 18 x 27 cm.
produced by the United States Geological Survey in cooperation with USDA Forest Service [and others].
On verso: map of Alaska (scale 1:5,000,000), 7 col. photographs, and list of rivers.