EarthWorks Geospatial Catalog

Pennsylvania: (Butler County) Butler Quadrangle

Description
United States. Geological Survey. U.S.G.S. Alternate title: Butler, PA. Polyconic projection. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1908-1909. Surveyed in cooperation with the state of Pennsylvania. Verso: The topographic maps of the United States.
Publisher
[Reston, Va.] : U.S. Geological Survey, 1911.
Subject(s)
Topographic maps
Held by
Princeton
More details at