618 



THE GLACIAL LAKE AGASSIZ. 



The population of Mauitolia, according to the census of 1881, was 

 69,954; and in 1891 it was estimated to be 150,000. About a third part 

 of these and a small fraction of the population noted in the Minnesota and 

 North Dakota counties are outside the boundaries of Lake Agassiz; but 

 the total inhabitants within the lake area are nearly a quarter of a million 

 jieople. Approximately three-fourths of this population are engaged in 

 farming, the other fourth being resident in the villages and large towns 

 and engaged in commercial and manufacturing pursuits. 



l]lieai production of counties in Minnesota lying mainly within the Med River Valley. 



■ Not reported. ' Including estimated addition for Kittson Connty. 



Wheat production of counties in North Dakota lying mainly within the Red River Valley. 



Wheat production of Manitota. 



Summing these figures, and deducting the estimated portion belonging 

 outside the boundaries of the glacial lake, we find the present annual wheat 

 crop upon the prairie area of Lake Agassiz to be approximately 50,000,000 

 bushels. This is about 200 bushiels apiece for each inhabitant, when the 



