Ohio Naturalist. 
Plate XXIX. 
Ra i I read S 
Contour L .nes 
C o u nt u Line 
Prey facia) Valley 
Map of the 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. 
