JVazrrly Fortiiatio)is of Central Ohio. — Prosscr. 337 
on the roads from Canal Winchester to Lithopolis. The de- 
tailed section of this glen is given below. 
Lithopolis Sectian 
Total 
No. Thickness, thickness. 
16. Cuyahoga formation. Bank on western side 14' 114)4' 
of Joseph Leyndecker's quarry shows 14 feet 
of shales and thin sandstones to the soil on its 
top. 
15. Sandstone stratnm, which on the eastern bank I'g" lOoK' 
of the quarry is i foot 5 inches. 
14. Rather sandy shales with two or more thin sV' 99' 
■ sandstones, from 4 to 8 inches in thickness. 
This zone on the eastern wall is 5 feet 5 inch- 
es in thickness. 
13. Light gray compact sandstone which forms 2' 93'8" 
a prominent stratum on the banks of the quar- 
ry. It varies in thickness on the western bank 
from I foot 10 inches to 2 feet i inch, is 2 
feet 8 inches on the southeastern and reaches 
2 feet II inches in the eastern bank where it 
is very compact, but splits into two layers. 
12. Dark to bluish-gray rather sandy shale which 3'6" 9i'8" 
is 3 feet in thickness on the eastern wall of 
the quarry, 3 feet 9 inches on the southeast- 
ern and 3 feet 6J<2 inches on the western wall. 
II. Top of Bucna Vista member. Zone of two or 5'4- 88'2" 
three sandstone layers, alternating with shales, 
which is 4 feet 8 inches thick at the southern 
end of the western bank, 5 feet at the north- 
ern end of the same cliff and 6 feet on the 
eastern bank. The section at the <-outhern end 
of the western bank from the hnse up is 3 
inches sandy shale, i foot 10 inches quite mas- 
sive sandstone, i foot 5 inches bluish argil- 
laceous shale and i foot 2 inches sandstone ; at 
the northern end of the same bank the lithol- 
ogy Iras changed as follows : 3 inches shale, i 
foot I inch sandstone, i foot i inch shale, i 
foot 2 inches sandstone, 4 inches shale and i 
foot I inch sandstone. On the southeastern 
wall the section of this zone from the base up 
is sVz inches blue shale, 2 feet 5 inches sand- 
stone, I foot 8 inches shale with i loot of sand- 
stone at the top. The quarrymen tell me that 
the midale sandstone noted at the northern 
end of the western bank begins with a harder 
