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Start Over Subject Mines and mineral resources Year 1947 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Mineral industry map of Ohio , 1947

Maps The Ohio State University Public content
1947. Geological Survey of Ohio. Library's c.2 mounted on cloth backing. "Prepared in cooperation with Division of Labor Statistics, Department of Industrial Relations, Divisions o... Ohio. Division of Geological Survey.

2. Mineral industry map of Ohio, 1947

Maps The Ohio State University Public content
1947. Geological Survey of Ohio. Library's c.2 mounted on cloth backing. "Prepared in cooperation with Division of Labor Statistics, Department of Industrial Relations, Divisions o... Ohio. Division of Geological Survey.

3. World iron ore reserves

Princeton University Public content
1947. United States. Department of State. Division of Map Intelligence and Cartography. North Decimal Degree 90.000000. South Decimal Degree -90.0000. Ea... [Washington, D.C.] : Dept. of State, Division of Map Intelligence and Cartography, 1947.