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You searched for: Publisher [Reston, Va.] : U.S. Geological Survey, 1945. Remove constraint Publisher: [Reston, Va.] : U.S. Geological Survey, 1945. Subject Topographic maps Remove constraint Subject: Topographic maps Year 1945 Remove constraint Year: 1945
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1. Pennsylvania: Powell Quadrangle 15-minute series

1945. United States. Geological Survey. U.S.G.S. Alternate title: Powell, PA. Polyconic projection. Relief shown by 20 feet contour interval and spot hei... [Reston, Va.] : U.S. Geological Survey, 1945.