SOURCE OF ST. PETER's RIVER. 207 



ing division of the subject may therefore be regarded as 

 applicable, viz. : — 



1st. Of the country between Philadelphia and the Ohio 

 river. 



2d. Of the country between the Ohio river and Lake 

 Michigan. 



3d. Of the country and navigable communications be- 

 tween Lake Michigan and the Mississippi. 



4th. Of St. Peter's river and the adjacent country. Also 

 of the Coteau des Prairies. 



5th. Of Red river and the adjacent country. 



6th. Of the country between Lakes Winnepeek and 

 Superior. 



7th. Remarks on a variety of subjects connected with 

 the topography of the country. 



L Of the country between Philadelphia and the Ohio 



river. 



After all that has been written in description of this part 

 of the country, a very few remarks relative to its general 

 aspect and character will suffice, on this occasion. Eastward 

 of the Alleghany Mountains, the country is most agree- 

 ably diversified with hills and valleys, and is prolific in all 

 the vegetable products common to a temperate climate, and 

 suited to the convenience and welfare of man and beast. 

 On approaching the range of mountains just mentioned, 

 the elevation above tide water gradually increases, and the 

 irregularities of the surface become more apparent. Con- 

 nected with these appearances some slight change of cli- 

 mate is perceptible, and is evinced by a more frequent oc- 



