136 
Frank Carney 
the presence of a calcareous layer about 18 feet below Conglom- 
erate II; such a bed, quite lossiliferous, exists in this section. 
The most typical outcrop of the Black Hand in the township 
is the Mary Ann Furnace section (fig. 4). The con^-actwith the 
Cuyahoga does not exist here, but by a line of levels® carried 
up the stream, it was established that about 31 feet of the forma- 
tion is covered, slightly more than half being covered by alluvium, 
the rest by talus. At this section nearly 35 feet of Black Hand is 
Fig. 3. Shows contact of the S pirophyton shales and the massive beds in the 
upper part of the Black Hand formation in the Lost Run section. 
exposed, and, save for about 5 feet at the base of the Logan, the 
whole consists of quite massive beds. Conglomerate H here is a 
fairly coarse bed, 10 inches thick. The Allorisma layer was not 
noted in this section. 
Along the principal valleys of the township the Black Hand 
formation frequently forms a shoulder near the foot of the valley 
® The author wishes to acknowledge his obligation to C. W. Irwin, B.S. (’08) 
who wye-leveled the distance between the bridge at Hanover and the point where 
Wilkins Run joins the Rocky Fork. 
