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Scale: 1:1000000; Map Type: Topographic maps; Other Descriptive Notes about Map Series: Set includes various issues of some sheets, some reissued... United States. Army Map Service.
Scale: 1:1000000; Map Type: Topographic maps; Other Descriptive Notes about Map Series: Set includes various issues of some sheets, some reissued... United States. Army Map Service.
1962. Harvard Map Collection, Harvard College Library and Geological Survey (U.S.). This layer is a georeferenced raster image of the historic, topographic paper map entitled: Pittsburgh and vicinity, Pennsylvania, mapped, edited, ... Harvard Map Collection, Harvard College Library.