MARYLAND GEOLOGICAL SURVEY 



PLIOCENE AND PLEISTOCENE p^a'= /// 



DELAWARE, the DISTRICT of COLUMBIA 

 AND PARTS OF VIRGINIA AND NEW JERSEY 



SCALE 

 1:1,260,000. 20 Miles = 1 Inch 

 5 10 20 



MARYLAND GEOLOGICAL SURVEY 



WM. BULLOCK CLARK, STATE GEOLOGIST 

 1906 



