http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Relief shown by contours and spot heights.
Set includes various issues of some sheets prepared under the direction of the chief of engineers, U.S. Army, with series designation: A.M.S. extension of G.S.G.S. 4233.
Shows five classes of roads and paths, four classes of railroads, two types of internal boundaries, and various types of vegetation.
Ancillary diagram: Incidence of grid letters and index to adjoining sheets.
An index map published by U.S. Army map service to cover this map is cataloged with A.M.S. P732 (G8230s 50 .U5).