The Ohio-Michigan Boundary Line 373 
Conclusion 
These four factors: the position of the southern end of Lake 
Michigan; the physiography of the Maumee basin and its harbors ; 
the prospective canals; and the momentum of the populations 
involved, were very important in establishing the boundary line. 
There were years of Congressional disputes; and politics in its 
good and bad phases became a feature, but these were only mani- 
festations of the fundamental geographic influences. 
