192 
GEOLOGY OF THE FIRST DISTRICT. 
Boulders and Erratic Blochs between Green Bay in Wisconsin, and the Coteau de 
Prairie. 
Kind of Boulders, ikAND Remarks. 
liSSE™ 
^tvaspainteUrearoneoftheiVh^^ 
Beafhof Lake Pepin. 
]gsss 
^igppppiisifPff 
