24 



NEW YORK STATE MUSEUM 



Width of Niagara gorge^ (approximate): 

 Opposite the extreme west end of Goat island, and 



just in front of the Horseshoe falls 

 Opposite the center of the American fall 

 Opposite inclined railway 

 Between carriage and railroad bridges, narrowest 



point midway between the two 

 Just south of railroad bridges 

 Gorge of the whirlpool rapids 

 loo rods south of south side of whirlpool 

 Same at water line 

 Inlet to whirlpool 

 Same at water line 

 Outlet of whirlpool 

 Same at water line 

 South of Ongiara park 

 Just south of Wintergreen flat 

 River opposite Foster's flats (bottom) 

 Just south of Foster's flats (top) 

 North of Devil's hole 

 At the tunnel on the New York Central railroad 



(plate 12) 

 Average width below Lewiston 



^Chiefly after Taylor. Bui. geol. soc. Am. 9 : 61-65. Top width is given 

 unless otherwise stated. 



1250 



feet 



1700 



<( 



1350 



(( 



IOOO-I350 



<( 



950 



i( 



700-750 



a 



1200 



ii 



850 



iC 



1000 



a 



550 



a 



900 



iS 



450 



a 



1300 



a 



1600 



a 



300. 



a 



1700 



a 



1000 



u 



1300 



iC 



2000 



ii 



