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NEW YORK STATE MUSEUM 



boundary line (altitude 2105.5 feet, 2020 on the map), it passes 

 westward through the narrow pass (altitude 1980 feet) directly 

 south of Van Dorrien mountain to Blueberry pond. Continuing 

 westward into the Long Lake quadrangle, on the boundary between 

 the two maps, it turns to the southwest and passes three-fourths of 

 a mile south of Palmer brook. When within a mile of the Racquette 



Fig. 9 The glacial lake succession in the Mount Marcy and adjacent 

 quadrangles. Stage i. The South Meadows lake, altitude 2210 to i960 feet. 



river the course turns directly south over Brueyer pond. This river 

 course is a mere suggestion, as actual field work has not been under- 

 taken in the rugged and inaccessible Santanoni quadrangle. Prob- 

 ably the waters flowing in this channel did not form a single river 

 but consisted of a chain of lakes and ponds. 

 A number of unmistakable beaches exist on the shoulders of the 



