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Report of the Geological Survey of Ohio: pt. I (1873) Geology. Historical sketch ; Physical geography of Ohio ; Geological structure of Ohio, Silurian and Devonian systems ; Geology of Cuyahoga and Summit countries

Report of the Geological Survey of Ohio: pt. I (1873) Geology. Historical sketch ; Physical geography of Ohio ; Geological structure of Ohio, Silurian and Devonian systems ; Geology of Cuyahoga and Summit countries

Geological Survey of Ohio — 1873
Atlases accompany v. 1, pt. 1; v. 2; and v. 5-7.
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