MARYLAND GEOLOGICAL SURVEY. 



EOCENE, PLATE IV. 



FlO. 1.-FORT WASHIXGTOX BLUFF, liASAL EOCENE OVEREVIXf, CRETACEOUS. 



"mi 



'■ft. 



Fig. 2.— zones 2 TO 4 at base of AQUIA CREEK BLUFF. 

 VIEWS OF EOCENE SECTIONS. 



