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SETTLEMENT AND COLONIZATION IN GREAT LAKES STATES 7 
INCREASE, LAND IN FARMS 
1I910-1920 
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1,000 ACRES 
Fic. 5.—The decade 1910-1920 was a period of rapid expansion of the farming area in 
the undeveloped portion of the Great Lakes States, particularly in central and north- 
western Minnesota and in a belt of land stretching from the western border of Green 
Bay on the east to the Mississippi River on the west. North of this belt there was 
less expansion. The expansion of the farming area in Michigan was somewhat less 
than in the two other States and was localized mainly in a district west of Saginaw 
Bay, the district west of Green Bay, and a stretch of territory along the southwest 
border of Lake Superior 
DECREASE, LAND IN FARMS 
1910-1920 
1,000 ACRES 
Fic. 6.—Although there was a prevailing increase in the area of farm land in the north- 
ern portions of the three States, there was a decrease in the area in most of the 
southern counties of Michigan and Wisconsin and in a number of counties of south- 
eastern Minnesota. The partial responsibility of city growth for this decrease is 
shown by the large decrease in the immediate vicinity of Detroit and the Twin Cities 
