The American Geolcgist. 
Vol. X, Plate IV. 
Moratnt 9so 
Fi(f. I 
SeclJon at Shingle Creek 
( Inter- C,\ac vol t',Houue\ ) 
Morn I n e 97i 
u ^''"^V-.:- 
Ht.Peitr 
^ tn.lt,, .'-^ - 
IjakraooA Vfmttert/ WfH.l 
lit. Peter- 
iSahdtttrne 
1000 
(oraine 
Fig. 2 
vSection aX (he ^Falls of St Anthony 
Vo»\ v'.\a«tci\ J.OUorvii«V) 
f-ted lifilt t ^-1 ( 1 II II g I Jiliiin sio 
St. Pttrr .Sandstont 
Moraine t&fp 
- ^ =i^^- - ■'^~r^ -1 L,ime' 
-mne tooo 
Fig. 3 
Sectivu Below the Falls 
<40 
Trenton 
Sfovaint tooo 
miP' 
Fig. i 
Seclion at Fort Snfllin^^ 
[Po».t-G.\0etttV Gorge] 
Hnrty.o^tta I Srnfe of Afi I p .^ 
St Pfter .Sandnfonf 
I'ertical Seale of Ftitt 
— ^og 3,t.'f> \n<i i ," 
SECTIONS ACROSS THE MISSISSIPPI RIVER. 
