SOIL SURVEY OF PORTER COUNTY, INDIANA. 47 



With heavy apphcations of Hme they become good soils for corn 

 and the other general crops. 



All the recent alluvium along the small streams of the county is 

 mapped as the silt loam of the Griffin series. The type includes a 

 hght phase. The soil is brown, and the subsoil mottled brown, drab, 

 and gray. 



The material mapped as Muck consists of black, well-decayed 

 remains of water-loving plants. 



Swamp includes the timbered belt along the Kankakee River. 

 The soil consists largely of dark-colored material of complex textures, 

 overlying a grayish, water-bearing sandy substratum. 



Dunesand comprises the belt of sand dunes along the shore of 

 Lake Michigan. It is nonagricultural. 



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