Digital Maps and Geospatial Data | Princeton University
Massachusetts-New Hampshire: Groton sheet
- [Reston, Va.] : U.S. Geological Survey, 1893.
United States. Geological Survey. U.S.G.S. Alternate title: Groton. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1887. Surveyed in cooperation with the state of Massachusetts. Triangulation by R. U. Goode. Verso: The topographic maps of the United States.
- Topographic maps
- Call number:
- G3761.C2.s62.U5G4 Groton
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