NIAGARA FALLS AND VICINITY 



45 



these two points. On the southern shore of Lake Erie borings 

 have revealed numerous deep channels. Thus the bottom of the 

 ancient channel of the Cuyahoga river is reached, according to 



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to meander on this surface, the meandering course being retained on re- 

 elevation. The depth of the bed rock at Port Stanley and Vienna, however 

 suggests that a direct channel exists as shown on the map. The principal 

 subsequents are probably located with approximate correctness, but the 

 smaller branches are added without attempt at correctness. They were 

 probably much more numerous than here shown. 



