http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 map : color ; 47 x 50 cm., on sheet 61 x 76 cm.
produced by the United States Geological Survey.
Compiled from USGS 1:24 000-scale topographic maps dated 1947-1978. Planimetry revised from aerial photographs taken 1981 and other source data. Map edited 1986.
Includes "Location diagram" and "Index to 1:24 000-scale maps."
Designed to be folded to approximately 21 x 11 cm.
Scale 1:100,000. 1 cm. on the map represents 1 km. on the ground ;