GEOLOGICAL SURVEY OF OHIO. VOL. 1. PART II. PALÆONTOLOGY. SECTION III. - Sigillaria - Document - PDFSEARCH.IO

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	GEOLOGICAL SURVEY OF OHIO. VOL. 1. PART II. PALÆONTOLOGY. SECTION III. Add to Reading List Document Date: 2012-12-15 15:31:57 Open Document File Size: 1,67 MB Share Result on Facebook City Youngstown / / Person Dawson / Cope / Don Chesnut / Hooker / / ProvinceOrState Summit County / Pennsylvania / Summit / Mahoning / Ohio / / Region Northern Ohio / / SocialTag Plant morphology Living fossils Trees Plant reproduction Sporangium Carboniferous Sigillaria Paleobotany Cordaites Biology

GEOLOGICAL SURVEY OF OHIO. VOL. 1. PART II. PALÆONTOLOGY. SECTION III.Add to Reading List