MAN AND TEE GLACIAL PERIOD. 



657 



exceptionally high water. In that portion of the town of 

 Little Falls situated east of the Mississippi, this bottom-laud 

 is limited on the east by a high, ancient river-terrace, which 

 has here an average elevation of about twenty-five feet above 

 the river. . . . This older terrace, like the present flood-plain, 

 has been spread out by the immediate action of water. . „ < . 



Fig. 178.— Quartz implement, found by Miss F. E. Babbitt. 1878, at Little Falls. Minneso- 

 ta, in modified drift, fifteen feet below surface, a. face view ; b. profile view. The 

 black represented on the cut is the matrix of the quartz vein. (No. 31.323.) (Put- 

 nam.) 



While occupied in examining the river bank at Little Falls in 

 quest of wrought quartzes, one day during the season of 1879. I 

 had occasion to ascend a slope lying between the new flood-plain 

 and the older terrace, by a path leading through a sort of gap 

 or notch in the latter (three hundred and ten rods, very nearly. 

 or almost one mile north of the east-west road by Vasaly's 

 Hotel ; ten rods west of the road to Belle Prairie ; and thirty- 

 eight rods from the river). ... It seemed that at some past 

 period a cut had been effected here by drainage, and that the 

 wash-out thus formed had afterward been deepened by being 



