Makyland Geological Survey 



IG9 



































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i .89 .45 ,26 



A. — Sample 1. Magothy 

 formation, Betterton. 



B. — Sample 2. Magothy 

 formation, Betterton. 



M 



C— Sample 3. 



Matawan formation, 



C. & D. Canal. 



L 



E.— Sample 5. 

 [Same as 3.] 







F.— Sample 6. 

 [Same as 3.] 





,S9 .43 .20 .04 



G.— Sample 7. 



Matawan formation 



(calcareous), Camp Fox, 



C. & D. Canal. 



H.— Sample 8. 

 [Same as 7 (non- 

 calcareous).] 



2ft .04 



J.— Sample 10. Top of Mata- 

 wan or base of Monmouth, 

 Sassafras River. 



K.— Sample 11. 



Monmouth formation, 

 Seat Pleasant. 



L.— Sample 12. 



Monmouth formation, 



Sassafras River. 



■■'. _ 

 u 



I.— Sample 9. 



Matawan formation, 



Grove Point. 



















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26 04 mn 



M.— Sample 13. 



Rancocas formation, 



near Middletown, Del. 



