BULL. GEOL. SOC. AM. 



VOL. 2. 1890. PL. 16 



PRELIMINARY 



GEOLOGIC MAP 



OF 



EASTERN 



VIRGINIA AND MARYLAND 



N. H . D ARTON 



1891 



APPOMATTOX 







CHESAPEAKE 









PAMUNKFY. 



(C OC ENEj 



wm, 







SEVERN. 



(cretaceous'' 



— 





POTOMAC 



•*•*•/*•;*• 





