RSR's Human Prints in Pennsylvanian Sandstone, McKee KY

DENVER, Colorado, March 31, 2018 -- The journal Nature recently reported on the oldest known human footprints in North America, 13,000 years old, except that they're about 300 million years younger than the human prints in Pennsylvanian Sandstone that Real Science Radio's Bob Enyart photographed in McKee Kentucky.

* As Discussed on RSR: Hear this on the March 30, 2018 program broadcast on one of America's top ten most-powerful radio stations, Denver's 50,000-watt AM 670 KLTT/KGOV!

RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY
RSR's photos of human prints in Pennsylvanian sandstone in McKee, KY