270 CHARLES 'S. PROSSER 
bridge is a rock cliff, the lower 51% feet of which, to the creek 
level, is the upper part of the Berea grit, while above is 7+ feet of 
the Sunbury shale capped by drift and soil. The contact of the 
Sunbury shale and Berea grit is also nicely shown in this out- 
crop. 
At this place was formerly a mill known as Ealy’s, and this 
is the locality which was said by Dr. Orton to be the only one in 
Franklin county where the Cleveland shale of Dr. Newberry or 
the Waverly black shale of Professor Andrews was known. He 
stated that ‘‘from ten to fifteen feet of this formation are here 
shown within the compass of an acre.’’” 
Some difficulty was experienced in obtaining the thickness 
of the Berea grit at this locality, and in a former paper the 
writer has given it as ‘“‘about 40 feet.”* South of the bridge, 
however, the first steep bank on the eastern side of the creek 
below the one which furnished the above section, apparently 
gives the base of the Berea grit, and unquestionably its top, so 
that we probably have the entire thickness of the formation 
given in this nearly vertical cliff. The Sunbury shale on the 
bank a little back of the edge of the cliff had not been noticed 
when the former paper appeared, although the apparent contact 
of the Berea grit and Bedford shale near the base of the bank 
was observed. The section of this bank is as follows: 
Total 
Thickness Thickness 
No. feet, feet. 
3. Black argillaceous shale in thin layers; the base of the Sunbury 
shale - - : i - - - - - - Sees 30% 
2. Berea grit, the upper part of which consists of fairly massive 
sandstones, the layers a foot or more in thickness, while the 
basal part is composed of thin bedded sandstones, and all 
through the formation shale partings occur at irregular intervals. 
Below these thin bedded sandstones are grayish shales, so that 
the entire formation is apparently shown between these two 
shales” - : - - : : - - 2 - - 33% 361% 
1. Grayish to bluish-gray, somewhat arenaceous shales to the creek 
level, which are considered as at the top of the Bedford shale3 3 3 
* Geol. Surv. Ohio. Vol. Il, p. 642. 2Jour. GEOL., Vol. LX, 1901, p. 218. 
3 As is well known “ Bedford odlitic limestone”’ has been used as the name of a 
Subcarboniferous formation in Indiana. The question has arisen whether Bedford 
