BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Vol. 2. pp. 431-450, PL. 16 



MESOZOIC AND CENOZOIC FORMATIONS OF EASTERN 

 VIRGINIA AND MARYLAND 



BY 



N. H. DARTON, U. S. GEOLOGICAL SURVEY 



/^V 



(<OCT 15 ^1^ 



;#?> 



ROCHESTER 



PUBLISHED BY THE SOCIETY 



April, 1891 



