Cairo in Alexander County, Illinois — The American Midwest (Great Lakes)
Historical Survey Marker
is located in the Ohio River
of this point.
In November, 1803,
this was the mouth
of the Ohio River.
At this location,
the Lewis and Clark
Corps of Discovery
Marker series. This marker is included in the Lewis & Clark Expedition marker series.
Location. 36° 59.266′ N, 89° 9.028′ W. Marker is in Cairo, Illinois, in Alexander County. Marker is on Washington Avenue (U.S. 60/62), on the right when traveling north. Located at the entrance to Fort Defiance Park, in a parking area for the State Highway Patrol office. Touch for map. Marker is in this post office area: Cairo IL 62914, United States of America. Touch for directions.
Other nearby markers. At least 8 other markers are within 2 miles of this marker, measured as the crow flies. Lewis and Clark in Illinois (here, next to this marker); Lewis & Clark (here, next to this marker); Cairo, Illinois (within shouting distance of this marker); The Ohio River Bridge (about 300 feet away, measured in a direct line); The Beginning of the Third Principal Meridian The Meeting of the Rivers (approx. 0.6 miles away); "Proceeding On" (approx. 0.7 miles away); Duncan Cannon (approx. 1.6 miles away). Touch for a list and map of all markers in Cairo.
Related markers. Click here for a list of markers that are related to this marker. Third Meridian Markers.
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Credits. This page was last revised on June 16, 2016. This page originally submitted on May 27, 2009, by Craig Swain of Leesburg, Virginia. This page has been viewed 1,869 times since then and 15 times this year. Photos: 1, 2. submitted on May 27, 2009, by Craig Swain of Leesburg, Virginia.