Digital Maps and Geospatial Data | Princeton University
Pennsylvania: Sewickley Quadrangle
- [Washington, D.C.] : U.S. Geological Survey, 1908.
United States. Geological Survey. U.S.G.S. Alternate title: Sewickley, PA. Polyconic projection. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1903 and 1905-1906. Surveyed in cooperation with the State of Pennsylvania. Verso: The topographic maps of the United States.
- Topographic maps and Sewickley (Pa.)—Maps
- Call number:
- G3821.C2.s62.U5G4 Sewickley 1938
- Held by: