Ohio Naturalist. 



Plate XXIX. 



Le<}e Tid 



St re Q ms 

 Canal 



Ra I I rca.i S 



Contour Lines 



C o unt u L .Tie 



Prcijlacio I Va Ilai^ 



Map of thu region to the west and south of Newark, showing the present streams (heavy 

 unbroken lines), and the preglacial Newark valley (broken lines), from Newark southwest to 

 the Franklin county line. The largest preglacial tributaries are also shown. The light unbroken 

 lines are the one hundred foot contours. 



