Digital Maps and Geospatial Data | Princeton University
Pennsylvania: Greensburg Quadrangle
- [Washington, D.C.] : U.S. Geological Survey, 1906.
United States. Geological Survey. U.S.G.S. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1904. Surveyed in cooperation with the State of Pennsylvania. Verso: Description of the topographic map of the United States.
- Topographic maps
- Call number:
- G3821.C2.s62.U5G4 Greensburg
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