84 



Proceedings of Indiana Academy of Scie^ice 



of Trail Creek have invaded it. The south side has a few small 

 streams which empty into swamps or small lakes but the tributaries 

 to the Kankakee have not invaded this morainal area. The Little 



Fi.!?. 1. Mai) of LaPorte County, Indiana, showinpr glacial deposits and (it hoi- data. 



(After Leverett.) 



Kankakee, east of LaPorte, is an exception to this rule. It rises in a 

 glacial stream valley which lies within the moraine. The moraine is 

 composed of sand and gravel with occasional lenses of clay. According 



