LS78.] 



17 



| Ashlnii-iici-. 



Drift, as follows : 43' to 



Loam and sand 5' 



Loam and gravel 5' 



G ravel and pebble 10' 



Gravel and sand 5' 



Gravel and pebble 5' 



Gravel and sand rock 5' 



Quicksand and coarse pebble 5' 



Fine sand 3' 



Gray slate 2 to 



Gray slate 35 



( Iray sand 37 



Red slate or sbale 18 



Red shale (rock hard) 10 



Gray sand rock 10 



Red sbale 5 



Red slate 20 



Gray slate 25 



Red slate 105 



Red shale 15 



Gray slate and sand 15 



Gray slate and shell 15 



Red slate 25 



Gray slate 1 > 



Gray slate and shell 20 



Gray sand 15 



Gray slate 5 



Gray sand rock 7 



Clover seed rock 8 



Gray shale 15 



Dark gray slate and shell 75 



Gray slate and shell 7 



Gray slate 43 



Hard gray slate 75 



Hard dark gray shale 30 



Gray slate and sand 5 



Hard gray sand 15 



Light sand with shale 5 



White and gray sand 55 



Hard and fine gray sand 25 



Fine dark gray sand 5 



Gray slate 5 



G ray slate and shale 5 



Fine gray sand 23 



Red slate 7 



Gray sand 25 



PROC. AMER. PHILOS. SOC. XVIII. 102. C. PRINTED NOV. 22, 18 



43' 



45 

 80 

 117 

 135 

 145 

 155 

 160 

 180 

 205 

 310 

 325 

 340 

 355 

 380 

 395 

 415 

 430 

 435 

 442 

 450 

 465 

 540 

 547 

 590 

 665 

 695 

 700 

 715 

 720 

 775 

 800 

 805 

 810 

 815 

 838 

 845 

 870 



