36 LIFE OF THE PLEISTOCENE 



STATION 20 



2500 feel north of Foster A venue. Surface 590 feet A.T.; 10 feet A. L. M . 



Strata 



Deposit 



Depth 



Remarks 



A. V 



Silt and loam 



22 



4 

 9 



78 





B. IV 



Silt 



With bog ore. 



C. Ill 



Gravel and sand 



With Unios. 



D. II 



Silt 



With bog ore. Thickness varies 

 from 9 to 40 inches on slope of 

 ground moraine. 



E. I 



Boulder clay 





Total thickness.... 







130M 





station 21 (Plates I, XII) 

 2630 feet north of Foster Avenue. Surface 590 feet A.T.; 10 feet A. L. M. 



Strata 



Deposit 



Depth 



Remarks 



VIII 



Silt and loam 



21 



17 



i 



30 

 17 

 15 

 4 

 25 





A. VII 



Silt 





VI 



Sand 





B. V 



Silt 





c. rv 



Sand and gravel 



With Unios. 



D. Ill 



Silt 



With wood. 



ii 



Sand 





i 



Boulder clav 







Total thickness... 







129-jV 





