Economy of the American Bottoms 
=~ 
131 The Agricultura 
Fic. 31—A section of the river levee west of Granite City. Slag from steel mills has 
been placed on the outside slope. A dirt road parallels the outer side of the levee. 
Fic, ‘eit new mouth of Wood —— with the Mississippi ages in $i distance. 
_ been placed on the inner slope of the levee where 
ends across re pdhicoti acer of Wood Riv ver 
