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Massachusetts-New Hampshire: Lowell sheet

Description:
United States. Geological Survey. U.S.G.S. Alternate title: Lowell. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1886.Triangulation by the U.S. Coast and Geodetic and Borden Surveys. Verso: The topographic maps of the United States.
Publisher:
[Reston, Va.] : U.S. Geological Survey, 1893.
Subject(s):
Topographic maps
Held by:
Princeton
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