1921] DACHNOWSKI—PEAT DEPOSITS 79 
upper layers of partly fibrous plant components, might be inter- 
preted as representing three great changes in water level. They 
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IG. 9.—Location of peat deposit near Kent, Portage County, Ohio, and of 
sounding illustrated in fig. 10; scale, 1 inch=1 mile (2.5 cm.=1.6 km.). 
may correspond, therefore, to three climatic stages that left their 
traces in the structure of the Canton deposit. From this it would 
seem that a comparatively warm period with moderately humid 
