pleated, will no doubt tend to lessen the very heavy carriages that are now paid on merchandize of all kinds."
The current of the Allegheny River is much more rapid than that of the Monongahela; and in the days of The Navigator, as now, the clear, transparent waters of the Allegheny marked their course across the yellow, muddy waters of the Monongahela. And even three miles below the junction, the waters of the Allegheny were to be distinguished from the Monongahela. "Here [at the junction of the two rivers] the Allegheny is about 450 yards wide, and when an island lying to the right is completely washed away, which is accomplishing rapidly, the river here will be at least 800 yards wide. Will not the inquiring mind, on examination, have cause to entertain an opinion with us, that the bed of this river has greatly shifted its situation; and that it once washed the hill now a considerable distance to the east; and that the ground on which Pittsburgh now stands has been made by its withdrawing, through time and accident, from that hill to its present channel?
