EarthWorks Geospatial Catalog

Pennsylvania: Harvey Lake sheet

Description
United States. Geological Survey. U.S.G.S. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1891. Triangulation by S. S. Gannett.
Publisher
[Reston, Va.] : U.S. Geological Survey, 1893.
Subject(s)
Topographic maps
Held by
Princeton
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