This site is significant because it was the first time that artifacts indisputably made by humans were found directly associated with faunal remains from an extinct form of bison from the Late Pleistocene.

While riding across the Crowfoot Ranch following a very severe rainstorm on August 27, which had devastated the nearby town of Folsom, he noticed and investigated a number of large bones where flash flooding from that storm had cut deeply into the bed of Wild Horse Arroyo.

In 1918, he and Ivan Shoemaker, the teenage son of the Crowfoot Ranch's owner, dug bones and a fluted lance point out of the arroyo bank, and sent them to the Denver Museum of Natural History.

The original Folsom point, still embedded in the matrix between the two bison ribs, can be seen on display at the very end of the Prehistoric Journey exhibit at the Denver Museum of Nature and Science.

During the first quarter of the 20th century, a bitter debate raged in the archaeology and physical anthropology communities about recent discoveries suggesting that humans had arrived in the Americas several thousand years earlier than had previously been thought possible.