U.S. GEOLOGICAL SURVEY 
MAP 
NEWYORK 
SHOWING 
DISTRIBUTION OF CEMENT MA 
Revised from map in Bulletin No.44.Ne\v Yor f 
L3v Edwin C.Eckel 
1904 
Scale 
20 o ao 40 6Q 
LEGEND 
fully limestone Helderberg limestones Trenton lim««« 
