Folsom point

[2] The Folsom point found in association with the extinct bison bones proved to the scientific community that humans had lived in the Americas thousands of years longer than many had previously believed.

The characteristic groove, known as fluting, may have served to aid hafting to a wooden shaft or dart.

The fluting required great technical ability to effect, and it took archaeologists many years of experimentation to replicate it.

The discovery of these artifacts in the early 20th century raised questions about when the first humans arrived in North America.

In 1932, an even earlier style of projectile point was found, Clovis, dating back to 11,500 BCE.