200,000 years old tiles.

On June 27,1969, workmen cutting into a rock shelf situated on the Broadway Extension of 122nd Street, between Edmond and Oklahoma City, came upon a find that was to create much controversy among the experts.

The find was an inlaid tile floor, found 3 feet below the surface, and covering several thousand square feet. Durwood Pate, an Oklahoma City geologist, commented on the floor in the Edmond Booster of July 3, 1969:

"I am sure this was man-made because the stones are placed in perfect sets of parallel lines which intersect to form a diamond shape, all pointing to the east. We found post holes which measure a perfect two rods from the other two. The top of the stone is very smooth, and if you lift one of them, you will find it is very jagged, which indicates wear on the surface. Everything is too well placed to be a natural formation."

Pate also discovered a form of mortar between the tiles. He believes now that the tile surface served as a common floor for several human shelters over a wide area. Delbert Smith, a geologist and president of the Oklahoma Seismograph Company, summed up the mystery concerning the tile floor in the Tulsa World of June 29, 1969:

"There is no question about it. It had been laid there, but I have no idea by whom."

Yet another facet of the mystery involved the question of age. There are some differing opinions as to the geology involved, but the best estimate places the tiles at 200,000 years old.