Plate 2 



e*-oo 



Z2QQ 



2IQQ 



2 OOP 



19 OO 



isoo 



I 1 OO 



If OO 



I 5QO 



I 3Q o 



12 OO 



Columnar sections: A. Genesee rock city; B, Mt Hermon-Flatiron; C, Knapp's creek; D, Dennis well, Bradford; E, Limestone; F, Wolf run east of Corydon; G, Warren 

 (the last after Randall) 



