84 On the Geographical Survey of New York. 
the force of whose currents carries their transported material fat 
to sea; but not, it would seem, in any case where the streams 
are small, or where the river current can not be traced out to 
sea much beyond soundings. 
separate chapter, following our geological descriptions of the 
fic. 
most ce Reape of their uses. It should be remembered t 
topography 1s a new art. A century since, topographical geog 
phy scarcely existed at all. Slewir marche aes its aoe 
age—shedding its puerilities and unveracities by experience 
better things, as it has now become systematic, eminently accu- 
rate in its field work, and spirited and trustworthy in its repre 
sentations. Its capacities are equal to representing all cases of 
are in true similitude and relation. 
