Digital Maps and Geospatial Data | Princeton University
Pennsylvania: Boyertown Quadrangle
- [Washington, D.C.] : U.S. Geological Survey, 1902.
- United States. Geological Survey. U.S.G.S. Alternate title: Boyertown, PA. Polyconic projection. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1900 in cooperation with the State of Pennsylvania. Triangulation by U.S. Coast and Geodetic Survey and S. S. Gannett. Verso: The topographic maps of the United States.
- Topographic maps
- Call number:
- G3821.C2.s62.U5G4 Boyertown 1931
- Held by:
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- No Known Copyright
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