Lightall, a Carpenter, they proceeded in a batteau to fulfill, as far as they were capable, the object of their appointment. The result of their observations is contained in the following detail of a survey of tlie Mohawk River, taken when the Avater therein was less than has been known witliin the memory of the eldest person now living ; and consequently tlie impediments, to the navigation thereof, as great as they will probably be at any future period, without artificial aid.
MHes.
From Albany to Schenectady 16
From Schenectady to No 1 In good water, one and a half mile, there a rapid, over which the water runs one and a half feet deep, the bottom small stones and gravel ; deep water above the rapid : 1 1-2
2 On in good water, one and a half mile, to Daniel Tolls, there a rapid, on which one and a half feet water ; bottom loose stones, deep above it, an
island near the South shore : 1 1-2
3 On in good water, one quarter of a mile, to a sharp rapid, on which not more than one foot of water, bottom loose stones, the water above,
deep : 1^
4 On to Anthony Van Sl}'kes, in good water, one mile, there a rapid, water deep above it : 1
1088 INLAND LOCK-NAVIGATION.
No 5 On in good water, one and a lialf mile, then a sharp rapid, one and a lialf feet water, bottom loose stones and gravel, water shallow above it,