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Filtering by: File Format image/tiff Publisher geological survey of ohio

1. A geological map of Ohio

Creator:: Bownocker, J. A. (John Adams), 1865-1928
Identifier:: i112847407
Date Issued:: 1909

2. Geologic map of Ohio

Creator:: Bownocker, J. A. (John Adams), 1865-1928
Identifier:: i10295964x
Date Issued:: 1920