Search the bison bones and you may find his golden bullets.

In 1985 bison bones from the Pleistocene were collected by Yu.

In the shelter, there are two distinct zones of bison bones.

There were a high number of bison bone and other large fauna.

Exploratory drilling in the sinkhole yielded quantities of bison bones.

The bison bones were more recently dated at 37 300bp (OxA - 4579).

When the first settlers arrived in 1905, the area was "bald" prairie littered with bison bones.

Unlike other Plains people, they did not use tools made of bison bones.

The site was one of the two largest pishkuns in the United States mined for bison bone.

Archaeologists have found tons of bison bones buried at the base of the cliffs.