28 NEW YORK STATE MUSEUM 
these streams rise along the western edge of the Southwestern 
plateau. 
In quantity very little of the water of the State enters the Long 
Island sound basin, a few small streams north of the sound together 
with the numerous but very small streams of Long Island com- 
prising the whole supply. 
The Passaic basin is mostly confined to New Jersey, with a few 
small streams having sources in Rockland and Orange counties. - 
