1958. United States. Department of the Interior. Relief shown by hachures. 56 x 90 centimeters Scale 1:600,000 General Map Collection. Dept. of the Interior (Washington).
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1939. United States. Department of the Interior. Map created from a United States Department of the Interior geological survey. Topography was surveyed by R. H. Runyan, 1939. Map consists mainly o...
1939. United States. Department of the Interior. U.S. Department of the Interior Geological Survey map of the Park Ridge quadrangle in New York and north-eastern New Jersey. The New York portion i...