Ohio State Academy of Science. 

 Special Papers No. 3. 



THE PREGLACIAL 

 DRAINAGE OF OHIO 



Comprising the Results of Researches made 

 by Members of the Academy of Science, 

 by the aid of the McMillin Research Fund. 



PUBLISHED BY THE ACADEMY OF SCIENCE 



WITH THE EMERSON E. McMILLIN RESEARCH FUND. 



'December, 1900. 



Press of Fred. J. Heer, Columbus, Ohio. 



