﻿NIAGARA 
  FALLS 
  AND 
  VICINITY 
  

  

  63 
  

  

  With 
  the 
  gradual 
  melting 
  away 
  of 
  the 
  great 
  ice 
  sheet, 
  the 
  land 
  

   on 
  the 
  northeast 
  began 
  to 
  recover 
  from 
  its 
  last 
  great 
  depression, 
  

  

  Miles. 
  

  

  iS 
  iV 
  7f 
  W 
  

  

  A;.r.l. 
  /fr. 
  

  

  Fig. 
  13 
  Taylor's 
  map 
  of 
  Lakes 
  Algonquin 
  and 
  Iroquois. 
  

  

  Fig. 
  14 
  Taylor's 
  map 
  of 
  Nipissing 
  great 
  lakes 
  and 
  the 
  Champlain 
  submergence. 
  

  

  and, 
  though 
  there 
  had 
  been 
  many 
  oscillations, 
  the 
  balance 
  of 
  change 
  

   was 
  toward 
  a 
  slow 
  but 
  steady 
  elevation 
  of 
  the 
  Laurentian 
  region. 
  

   As 
  a 
  consequence 
  the 
  beaches 
  of 
  the 
  old 
  glacial 
  lakes, 
  which 
  of 
  

  

  