﻿Base map reproduced 



„... „ copyrighted map by E. Belcher Hyde, 5 Beekman street, and here used by permit 



Revised Areal Geology op Southern Manhattan Island and the Adjacent Margin of Long Island 

 is based upon exploratory borings to June (JO. :91a The heavy blue line marks the course of the proposed pressure tunnel intended to carry 

 the Catskill water to Brooklyn 



