HYDROLOGY OF NEW YORK 



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counties and the southern parts of St Lawrence and Franklin 

 counties. Those in Herkimer county flow into the Moose and 

 Beaver rivers, tributaries of Black river. The following are the 

 elevations of a few of the more important lakes of Hamilton, St 

 Lawrence, and Franklin counties, which are tributary to streams 

 flowing northward into the St Lawrence : 



Lake Feet 



Cranberry 1.540 



Raquette 1,774 



Forked 1,753 



Long 1,630 



Little Tupper 1,728 



Big Tupper 1,552 



Oswegatchie river. This stream has its source in several lakes 

 and swamps on the Adirondack plateau, in the southern portion 

 of St Lawrence county. The main stream is the outlet of Cran- 

 berry lake and flows in a general northwesterly direction, enter- 

 ing the St Lawrence river at Ogdensburg. Indian river, one of 

 the principal tributaries of the Oswegatchie, rises in Indian and 

 Bonaparte lakes, flows to and through Black lake and joins the 

 Oswegatchie a few miles above Ogdensburg. The following are 

 the catchment areas of the Oswegatchie river and its main 

 tributaries : 



Square miles 



East Branch Oswegatchie river above mouth 358 



West Branch Oswegatchie river above mouth 272 



Oswegatchie river below junction of two branches 630 



Oswegatchie river above Gouverneur 727 



Oswegatchie river above Galilee 1,033 



Indian river above Philadelphia 216 



Black lake above Galilee 544 



Oswegatchie river below Black lake junction 1,577 



Oswegatchie river above Ogdensburg 1,609 



The flow of the Oswegatchie at Ogdensburg varies from 614 

 cubic feet peT second at low water to 15,500 cubic feet per second 

 during the spring floods. 



