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NEW YORK STATE MUSEUM 



operations were in large measure in continuation of his previous 

 work. A review was made of some drainage features in the 

 Erie basin between the state line and Hamburg, and a rapid ex- 

 amination was made of the Finger Lake basins primarily with 

 reference to the altitude and overflow of the glacial waters, in- 

 volving also the interesting discovery of well developed bars be- 

 longing to the Lake Dana stage, 8 miles south of Geneva, near 

 Fayette between the Seneca and Cayuga basins. The phe- 

 nomena pertaining to Lake Dana were also studied west of the 

 Genesee valley. Positive evidence of these waters was found as 

 far west as Akron. The drumlins throughout Genesee county 

 are frequently cut by the wave action at this level and the detri- 

 tus has been piled in short bars and spits to the leeward. Many 

 gravel pits have been opened in these lake deposits which are 

 practically the only source of sand and gravel over considerable 

 territory. It now seems quite probable that further examination 

 will connect the Lake Dana phenomena in Genesee county with 

 the supposed Lake Dana phenomena southw r est of Buffalo where 

 the plane passes beneath Lake Erie. This will afford proof of 

 continuous water at about 700 feet altitude all the way from 

 the Erie basin eastward to the Cayuga valley, and the farther 

 eastern extension is the subject of future study. While the 

 features of Lake Dana are unequivocal they indicate a lake of 

 relatively short life, though none the less interesting and im- 

 portant in revealing the glacial history of the region. Some 

 time was spent in mapping the low level channels in the district 

 between Leroy and Phelps. These great stream channels which 

 extend eastward to Syracuse at levels beneath the Warren lake 

 plane are the most puzzling features connected with the history 

 of the glacial waters and the recession of the ice body. 



Brief study was made of the Iroquois lake bottom in the north- 

 ern part of western Xew York. In the area lying between the 

 Genesee and Niagara rivers and the shore of Lake Ontario and 

 the Ridge road (or beach of the glacial Lake Iroquois) we have 

 a tract of nearly 600 square miles which is essentially prairie 

 and forms the smoothest and most extended plain in the State. 

 It is the famous Ontario fruit belt. East and west it is hori- 

 zontal, north and south it has a fairly uniform slope to the north 

 of about 20 feet to the mile. Over most of this belt, 8 miles wide 

 and 75 miles long, the eye can recognize only a flat, smooth plain, 

 the view being limited by the orchards and shade trees. The 



