ANNALS OF THE NEW YORK ACADEMY OF SCIENCES 

 Vol. XXII, pp. 295-319 



Editor, Edmund Otis Hovey 



GEOLOGIC AGE OF THE BEDFORD SHALE 



OF OHIO 



BY 



George H. Giety 



NEW YORK 

 PUBLISHED BY THE ACADEMY 



13 November, 1912 



„<* N 



F*B 6 1913 



