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E, R. Scheffel 
ous tributaries, particularly those from the north. Just before 
the junction of the valley of the Raccoon with that of the Lick- 
ing rivers another narrowing occurs. The relative widths and 
lengths of these described portions of the Raccoon may best be 
obtained by consulting the contour map, fig. i. 
Rock Floor. The entire length of the valley from Alexandria 
east to its junction with the Licking has been shown to be filled 
Fig. I. Present drainage of Licking County. The broken line indicates a 
former divide. 
with an enormous depth of glacial debris. On the Sinnett 
farm, about one-half mile east of Flower Pot hill, a drilling made ( 
in probably the middle of the valley discovered 274 feet of loose 
material overlying the rock floor. This added to the altitude of 
Flower Pot hill above the present valley bottom gives a total 
depth for the uncovered valley of over 325 feet. Subtracting 
the thickness of the unconsolidated material from the surface 
