United States. Geological Survey. U.S.G.S. Alternate title: Schunemunk, N.Y. Polyconic projection. Relief shown by 20 feet contour interval. Surveyed in 1926-1927 and 1929-1930. Verso: The topographic maps of the United States.
Publisher:
[Washington, D.C.] : U.S. Geological Survey, 1935.