Bulletin, Denison University* Vol* XI, Art. II, 1898* 
PLATE IV, 
SECTION AT CAMPBELL^S QUARRY, DELAWARE* 
T , I . • ' ' 
m 
r-p 
O 
EXr 
o 
ILJ 
Xxi 
Sxi 
iSt 
a 
limestone, 
rhumb o id alis, common. 
1 8^^ chert. 
rhomlwidaiis, very common. 
i8^^ Limestone. 
Tentactilites on shaly surface, 
limestone. 
cherty limestone. 
6^'^ limestone. 
shale. 
20^^ limestone. 
lo^' shales and chert. 
.....S, ziczac and L. rhomboidalis. 
26^' limestone. 
S. ziczac L. rhomboidalis and T. scalariformis. 
24^^ limestone. 
S. ziczac and L. rhomboidalis ^ very common. 
14^' limestone. 
shaly limestone. 
ziczac L. rhomboidalis T. scalariformis^ abundant. 
24^' limestone. 
shaly limestone. 
limestone. 
Bownocker— Corniferous Rocks of Ohio. 
