45 



An Esker in Tippecanoe County, Ind. 



Wm. a. McBeth. 



An Esker in Tippecanoe County, Indiana. 



All esker or serpent kame is a serpentine ridge of sand and gravel evi- 

 dently formed l).v a stream flowing in a tnnnel at the liottom of a glacier 

 or in a canyon through it. 



An interesting example of this feature extends through sections 1, 2, 

 11. and 10. Town 21 north. Range 5 west, in Tippecanoe County, Indiana. 

 Its northeast end is about one-half mile southAvest of South Raub. a sta- 

 tion on the C. I. & L. Ry. (Monon Route) nine miles south of Lafayette. 



