Philadelphia County, Pennsylvania ; Philadelphia Co., Pa
Geological Survey (U.S.), creator Pennsylvania, Bureau of Topographic and Geologic Survey.
produced by the United States Geological Survey ; Commonwealth of Pennsylvania, Department of Environmental Resources, Topographic and Geologic Survey.
Relief shown by contours and spot heights. Alternate title in right lower margin: Philadelphia Co., Pa. "Map edited 1982." Pa. coordinate and UTM grids. Includes notes, index to 1:24,000-scale maps, and location map. "N3951-W7456.5/18 X 21.5 : 1982." Electronic reproduction. Cambridge, Mass. : Harvard Geospatial Library, 2007 Georeferenced image for use in a GIS.
Philadelphia County, Pennsylvania ; Philadelphia Co., Pa
Creator / Contributor
Geological Survey (U.S.), creator Pennsylvania, Bureau of Topographic and Geologic Survey.
Attribution
produced by the United States Geological Survey ; Commonwealth of Pennsylvania, Department of Environmental Resources, Topographic and Geologic Survey.
Relief shown by contours and spot heights. Alternate title in right lower margin: Philadelphia Co., Pa. "Map edited 1982." Pa. coordinate and UTM grids. Includes notes, index to 1:24,000-scale maps, and location map. "N3951-W7456.5/18 X 21.5 : 1982." Electronic reproduction. Cambridge, Mass. : Harvard Geospatial Library, 2007 Georeferenced image for use in a GIS.