. Report of the Geological Survey of Ohio. Geology; Paleontology; Mines and mineral resources; Zoology; Paleobotany; Botany. . Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological Survey of Ohio. Columbus, Nevins & Myers, state printers

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Keywords: ., booksubjectbotany, booksubjectpaleontology, booksubjectzoology