‘S28 WATER STORAGE AND CANALIZATION. 
Serves to develop the internal resources of the country, in the 
impetus it gives both to pastoral and agricultural pursuits ; whilst 
a navigable canal, according to Macpherson, “ gives fresh life to 
established manufactures and encourages the establishment of new 
ones, by the ease of transporting the materials of manufactures and 
provisions. They invigorate and in many places create internal 
trade which, for its extent and value, is an object of still more 
importance than foreign commerce, and they greatly promote 
foreign trade, and consequently enrich the merchants of the ports 
they are connected with, by facilitating the exportation of produce 
from and the introduction of foreign merchandise into the interior. 
present conditions, 
