EarthWorks Geospatial Catalog

Pennsylvania: Tyrone Quadrangle

Description
United States. Geological Survey. U.S.G.S. Alternate title: Tyrone, PA. Polyconic projection. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1921 and 1929. Verso: The topographic maps of the United States.
Publisher
[Washington, D.C.] : U.S. Geological Survey, 1933.
Subject(s)
Topographic maps
Held by
Princeton
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