The American Geologist. 
Vol. VII, Plate 4. 
Deptli 
TJ,k> 
sji-o' zr t 
Explunatiuil 
Conglomerate. 
Sand/Stone, 
flaggy, 
argillaceous 
calcareous. 
Shale, 
grayish, 
somewhat. 
arenaceous 
and 
Form 
Shale. 
( Jkltamtilo ) 
soft 
tend 
blacJcisk 
{Cardilo 
retros/nafn rB) 
Black shale 
Horizon nfGttirsr 
m 
fit ark si i air 
Shah, 
gra.gt.sh, 
calcareous. 
Limestone. 
Shale, 
orayish 
calcan ous 
lUek 
£<»<i-itono 
Black shale. 
i,i mi stone, 
,h,ih/. tjrat/ 
impun 
ntuirtij alack 
Star ./;» 
Limestone, 
/•/it eft 
Gr,uj t/t/tle 
/.irneifonm 
MAP 
CHAUTAUQUA COUNTY 
and 
SURROUNDINGS. 
Limestone 
