, Ree EO 1 
Ly 
OF THE 
GEOLOGICAL SURVEY 
’ OF OHIO, 
VOLUME V. 
ECONOMIC GEOLOGY. 
PUBLISHED BY AUTHORITY OF THE LEGISLATURE OF OHIO 
UNDER THE SUPERVISION OF THE STATE GEOLOGIST. 
| COLUMBUS : 
@. J. BRAND & CO., STATE PRINTERS. 
1884. 
