RELICS OF MAN IN THE GLACIAL PERIOD. 255 



of course a deposit in comparatively still water, which 

 would imply deposition during a period of land subsidence. 



Fig. 74.— Quartz implement, found by Miss F. E. Babbitt, 1878. at Little Falls, 

 Minnesota, 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) (Putnam). 



But that it was ice-laden water which flooded the banks is 

 shown by the frequent occurrence of large blocks of stone 

 in the deposits, such as could have been transported only 



