— 
tz 
\ 
NN poabady 
‘ er N 
ATX, BES) Berhudede 
Wie Wd le) 
OF EASTERN 
ORTH AMERICK: 
South Limit of the Ice-Sheet. 
Z Course of Motion » » >» » 
Driftless Area af Wisconsin. 
=e 
THe HEWIOTYPE PRINTINGCO. 220 DEVONSHIRE Sr. Bost 
