56 



NEW YORK STATE MUSEUM 



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 to the northern end of the prominent Paleozoic rock valley at Cor- 



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i? PREGLACIAL STREAMS — 



MILES 





Fig. 14. Sketch of the southeastern Adirondack region, show- 

 ing the relation of the preglacial drainage to that of the present. 

 Preglacial courses shown only where essentially different from 

 present streams. (By W. J. M.) 



