The American Geologist. 
Vol. XID, Plate V. 
v5- 
LaK'e: 
Champlaiis/ 
AND ITS PLEISTOCENE AREA „\ 
as a Glacial Lake o 
AND LATER AS AN ARM OF THE SEA. 
By S. Prentiss Baldwin. 
^Approximate Shore Lines of the 
Champlain Glacial Lake, somewhat 
above the succeeding marine level 
H Depths of 100 and 200 feet in the Jg>£ 
\ present Lake Champlain. ^ ir<$ 
! ED Sand Deltas 
[ [MJEskers. 
' S ' w 15 :>.0 
SCALE, OF Mll.ES. 
