MARYLAND GEOLOGICAL SURVEY 



PLIOCENE AND PLEISTOCENE PLATI 



MAP 



SHOWING 

 HYPOTHETICAL POSITION OF SHORE LINE OF LAFAYETTE SEA 



MARYLAND 



DELAWARE, the DISTRICT av COLUMBIA 

 AND PARTS OF VIRGINIA. AND NEW JERSEY 



SCALE 

 1:1,250,000. 20 Miles = 1 Inch 

 10 20 40 



MARYLAND GEOLOGICAL SURVEY 



WM. BULLOCK CLARK, STATE QEOLOQIST 



fl. CO BALTTMCRE 



