546 DISCUSSION : FORESTS, RESERVOIRS, AND STREAM FLOW 
Mr. Chitten- not then be confined to tide-waters, but will be able safely to asc 1 
den. 
“the living streams to seaports on their borders, and the extent of tre 
inland navigation will be limited only by the limit to the water which 
is supplied by the atmosphere. 
“All this may be accomplished on the Ohio for about the cost of 
three or four ships of the line. The great and only difficulty is, so 
far to overcome the cold incredulity of the public as to obtain from 
Congress a sufficient appropriation for the completion of the first two 
teservoirs. This once effected, and a single practical demonstration 
made, it will perhaps be as difficult to convince the future engineer 
that a thing so clear and palpable could ever have been doubted, 
as it at first was to remove the doubts.” 
ERRATUM. 
On page 509, ninth line from the bottom, insert the word “million” 
after the word “thousand,” so that the sentence will read “A little 
while ago the country was told that a thousand million tons of soil 
are yearly washing from our agricultural lands into the sea,” ete. 
