358 CHARLES S. PROSSER 
of blue to gray shale with thin bands of black shale containing 
layers of sandstone from 1 to 2 in. thick, all of which is referred to 
the Chagrin formation. This cliff is at the D. E. Parsons cottage 
in Avon Lake at stop 50 on the Lake Shore Electric Ry. a few rods 
east of the brick schoolhouse of Avon District No. 4. It is three- 
fourths of a mile southeast of Avon Point and about one and one- 
Fic. 6.—Cliff of Huron shale=Chagrin at Beach Park on shore of Lake Erie, 
showing one limb of anticlinal fold. 
half miles northwest of the western end of Eagle Cliff. The rocks 
are dipping easterly; but east of Avon Point they lie much more 
nearly horizontal than to the west of it where there is so much 
folding. 
Section opposite house of John Goetz.—The following section was 
measured opposite the house of Mr. John Goetz about one mile 
west of the western end of Eagle Cliff: 
