rock, & its descending with very
great rapidity in a perpendicu-
lar direction, 150 feet & the foam
ing state of the river, for many
perches below; it was a trial &
appear’d dangerous to go to the
edge of the rock, to look down; I
did it by going on my hands &
knees, & at the edge I found the
rock was hollow under me for a
number of feet back, & not more
than one foot thick; we would
have been glad to have descended
to the bottom of this pitch, but we
had no pilot, & there was no possi-
bility of getting down any where
in view, nor as I have understood
short of half a mile down the
river, & there with great difficulty,
After