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Start Over Year 1957 Provider The Ohio State University Bounding Box -180 -89.81531 180 89.456192

1. Mineral industry map of Ohio, 1956

Maps The Ohio State University Public content
1957. Smith, Robert W. Base map by U.S. Geological Survey. compiled by Robert W. Smith. Scale 1:500,000 ; Lambert conformal conic projection. Ohio. Division of Geological Survey.

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