Historical Survey Marker
The beginning of
the Third
Principal Meridian
is located in the Ohio River
1,735 feet
directly north
of this point.
In November, 1803,
this was the mouth
of the Ohio River.
At this location,
the Lewis and Clark
Corps of Discovery
encamped for
six days.
Marker is on Washington Avenue (U.S. 60/62), on the right ...