﻿262 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  Wright, 
  G. 
  F. 
  The 
  supposed 
  post-glacial 
  outlet 
  of 
  the 
  Great 
  lakes 
  through 
  

   Lake 
  Nipissing 
  and 
  the 
  Mattawa 
  river. 
  Geol. 
  soc. 
  Am. 
  Bui. 
  4:4213.-25. 
  

  

  1893'. 
  

  

  Age 
  of 
  Niagara 
  falls 
  as 
  indicated 
  by 
  the 
  erosion 
  at 
  the 
  mouth 
  of 
  

  

  the 
  gorge. 
  Abstract, 
  Am. 
  ass'n 
  adv. 
  sci. 
  Proc. 
  47:299-300; 
  Abstract, 
  

   Science, 
  n. 
  s. 
  8:502; 
  Abstract, 
  Am. 
  geol. 
  22:260, 
  261. 
  1898. 
  

  

  New 
  method 
  of 
  estimating 
  the 
  age 
  of 
  Niagara 
  falls. 
  Pop. 
  sci. 
  mo. 
  

  

  55:145-54, 
  6 
  fig. 
  1899. 
  

  

  Lateral 
  erosion 
  at 
  the 
  mouth 
  of 
  the 
  Niagara 
  gorge. 
  Abstract, 
  

  

  Science, 
  n. 
  s. 
  10:488. 
  1899. 
  

  

  