Maryland Geological Suhvey 



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A. — Sample 1. Magothy 

 formation, Betterton. 



B. — Sample 2. Magothy 

 formation, Betterton. 



C.— Sample 3. 



Matawan formation, 



C. & D. Canal. 



E.— Sample 5. 

 [Same as 3.] 



F.— Sample 6. 

 [Same as 3.] 















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G.— Sample 7. 



Matawan formation 



(calcareous), Camp Fox, 



C. & D. Canal. 



.89 45 .26 .04 



H.— Sample 8. 

 Same as 7 (non- 

 calcareous).] 



I.— Sample 9. 



Matawan formation, 



Grove Point. 



















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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. 



M.— Sample 13. 

 Rancocas formation, 

 near Middletown, Del. 



