﻿504 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  for 
  one 
  day 
  979 
  cubic 
  feet 
  per 
  second. 
  In 
  September, 
  1899, 
  the 
  

   flow 
  for 
  one 
  day 
  was 
  711 
  cubic 
  feet 
  per 
  second. 
  For 
  short 
  periods 
  

   the 
  flow 
  has 
  been 
  less 
  than 
  for 
  August, 
  1899. 
  Thus, 
  August 
  14-19, 
  

   1890, 
  the 
  mean 
  flow 
  was 
  1080 
  cubic 
  feet 
  per 
  second, 
  and 
  October 
  

   2-6, 
  inclusive, 
  1891, 
  the 
  mean 
  flow 
  is 
  also 
  given 
  at 
  1080 
  cubic 
  feet 
  

   per 
  second, 
  or 
  at 
  the 
  rate 
  of 
  0.24 
  1 
  cubic 
  foot 
  per 
  second 
  per 
  square 
  

   mile. 
  Taking 
  the 
  diversion 
  for 
  the 
  supply 
  of 
  the 
  Ohamplain 
  canal 
  

   into 
  account, 
  we 
  have 
  about 
  0.29 
  cubic 
  foot 
  per 
  second 
  per 
  square 
  

   mile 
  as 
  the 
  actually 
  observed 
  flow. 
  

  

  The 
  figures 
  show, 
  however, 
  that 
  the 
  flow 
  of 
  0.29 
  cubic 
  foot 
  per 
  

   second 
  per 
  square 
  mile 
  has 
  occurred 
  for 
  only 
  two 
  periods 
  — 
  one 
  

   of 
  six 
  days 
  and 
  the 
  other 
  of 
  five 
  days 
  — 
  a 
  total 
  of 
  eleven 
  days 
  for 
  

   the 
  whole 
  period 
  covered 
  by 
  the 
  measurements. 
  For 
  July, 
  1888, 
  

   the 
  mean 
  flow, 
  including 
  the 
  diversion 
  which 
  was 
  then 
  occurring 
  for 
  

   the 
  supply 
  of 
  the 
  Ohamplain 
  canal, 
  may 
  be 
  taken 
  at 
  0.37 
  cubic 
  foot 
  

   per 
  second 
  per 
  square 
  mile. 
  For 
  October, 
  1891, 
  the 
  mean 
  flow 
  

   for 
  the 
  whole 
  month 
  was 
  1472 
  cubic 
  feet 
  per 
  second, 
  or, 
  including 
  

   the 
  diversion 
  to 
  the 
  Ohamplain 
  canal, 
  0.36 
  of 
  a 
  cubic 
  foot 
  per 
  

   second 
  per 
  square 
  mile. 
  In 
  July, 
  1890, 
  the 
  mean 
  flow 
  for 
  the 
  

   month 
  was 
  1950 
  cubic 
  feet 
  per 
  second, 
  and 
  in 
  several 
  other 
  months, 
  

   as 
  July, 
  1893, 
  July, 
  1895, 
  and 
  September 
  and 
  October, 
  1895, 
  the 
  

   mean 
  monthly 
  flow 
  varied 
  from 
  about 
  2600 
  to 
  2700 
  cubic 
  feet 
  per 
  

   second. 
  Hence 
  we 
  may 
  say 
  that 
  for 
  any 
  business 
  where 
  it 
  is 
  not 
  

   absolutely 
  indispensable 
  to 
  have 
  permanent 
  power, 
  water 
  power 
  

   on 
  Hudson 
  river 
  may 
  be 
  developed 
  up 
  to 
  the 
  limit 
  of 
  about 
  0.4 
  

   of 
  a 
  cubic 
  foot 
  per 
  second 
  per 
  square 
  mile, 
  with 
  a 
  prospect 
  of 
  not 
  

   being 
  interrupted 
  on 
  account 
  of 
  low 
  water 
  more 
  than 
  a 
  few 
  days 
  

   in 
  each 
  year. 
  For 
  electric 
  power, 
  however, 
  or 
  any 
  application 
  of 
  

   water 
  power 
  requiring 
  a 
  permanent 
  power 
  every 
  day 
  in 
  the 
  year, 
  

   the 
  development 
  ought 
  not 
  to 
  be 
  based, 
  under 
  present 
  conditions, 
  

   on 
  more 
  than 
  about 
  0.24 
  to 
  0.25 
  of 
  a 
  cubic 
  foot 
  per 
  second 
  per 
  

   square 
  mile, 
  these 
  latter 
  figures 
  relating 
  specially 
  to 
  that 
  portion 
  

   of 
  the 
  river 
  from 
  which 
  water 
  is 
  diverted 
  for 
  the 
  supply 
  of 
  the 
  

   Ohamplain 
  canal. 
  As 
  is 
  shown 
  in 
  the 
  section 
  on 
  the 
  water 
  power 
  

   of 
  the 
  Hudson 
  river, 
  nearly 
  all 
  of 
  the 
  plants 
  on 
  that 
  stream 
  are 
  

   developed 
  far 
  beyond 
  these 
  figures. 
  

  

  Above 
  the 
  mouth 
  of 
  the 
  Hoosic 
  and 
  Battenkill 
  rivers 
  somewhat 
  

   different 
  conditions 
  obtain 
  from 
  those 
  occurring 
  at 
  Mechanic- 
  

   ville. 
  The 
  Hoosic 
  and 
  Battenkill 
  rivers 
  flow 
  from 
  eastern 
  Ver- 
  

  

  