MAIN MORAINIC SYSTEM OF THE SCIOTO LOBE. 407 



East of Danville, at the point where Wright located the glacial 

 bouudar}^, the Cleveland, Akron and Columbus Railway cuts through 

 morainic accumulations to a depth of 36 feet without reaching rock. In 

 Danville a well is reported by Wright, on the authority of A. J. Workman, 

 to have penetrated 136 feet of drift, "passing through yellow cla}', blue 

 clay, gravel, quicksand, and cemented gravel, and still not reaching rock." 

 Another well in Danville^ 65 feet deep and through similar material, was 

 reported. 



On the uplands between this outer member of the morainic system 

 and Mount Vernon there is but little drift compared with the amount in the 

 main moraine west of Mount Vernon. 



In the valley of Owl Creek, near Gambler, the following section of 

 the bluff of the stream is reported by Read:^ 



Sectimi of Owl Creek JBlvff, near Oariibiei\ Ohio. 



Feet. 



1. Yellow clay, with drift bowlders and pebbles and many flat fragments of local rock, i 8 



2. Blue bowlder clay, unstratified, with rounded granitic bowlders, gravel, and angular fragments 



of local rocks .- 20 



3. Laminated blue clay 3 



4. Coarse stratified gravel 4 



5. Coarse stratified sand 2 



6. Yellow laminated claj' 2 



7. Blue laminated clay 2 



8. Unstratified bowlder clay 4 



9. Stratified sand and gravel 8 



In an exposure on Grannys Creek, a few miles northeast of Mount 

 Vernon, a section of bowlder clay fully 60 feet in height is extensively 

 exposed. In this section the surface oxidation extends only 8 to 10 feet, 

 the clay below being blue. 



At Mount Vernon a large number of borings have been made in the 

 valley of Owl Creek for the purpose of obtaining flowing wells. At the 

 time of the writer's visit to the city, in June, 1890, fully 100 successful 

 flows had been obtained. The depth of the wells ranges from 63 to 97 feet. 

 Isaac Lafever, of Chicago Junction, Ohio, who made many of these wells, 

 states that they penetrate about 45 feet of loose gravel and sand, at which 

 depth a blue clay is struck which extends to the water vein. No statistics 

 were obtained as to the rate of flow or to the height to which the water 

 will rise above the surface. The flow is strong from a height of 2 or 3 feet 



1 Geology of Ohio, Vol. Ill, 1878, p. .S.32. 



