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We know that ancestors of Native Americans were the first people to inhabit Montana, and we have a fair understanding of which tribes lived here, and how they lived over the past 150-200 years. Stories, artifacts, trails, tipi rings, and rock art all offer glimpses into the lives of pre-historic Native American cultures.White settlers, explorers, soldiers, and journalists wrote about this era, and oral accounts were passed down over generations among Indian people. Another tremendous source of evidence are the numerous bison kill sites scattered throughout the region.No two are exactly the same, but they often contain a wealth of evidence, including bison bones, arrowheads, tools, roasting pits, and fire-cracked rock. Two important questions archaeologists try to answer as they unearth a kill site are, "Who used this place? " Arrowheads and spear tips, called "points," can help provide an answer to the first question. Jack Fisher of Montana State University, the organic materials used to establish dates at the First Peoples site were wood charcoal (burnt wood from a campfire) and blowfly pupae cases. Radiocarbon dating of organic materials from the First Peoples Buffalo Jump revealed that it was used from about 900 AD until at least 1500 AD.Below: This diorama depicts the First Peoples Buffalo Jump. Archeologists have learned to recognize trademarks and differences between points designed by various Indian tribes and Paleoindian groups. A mass of hundreds (or thousands) of blowfly pupae were found with the bones of a bison forelimb that may have been discarded with muscle tissue still present. The styles of points found there match those from the pre-historic Avonlea and Old Women's cultures (ancestors of more recent Indian tribes).

Today, the radiocarbon-14 dating method is used extensively in environmental sciences and in human sciences such as archaeology and anthropology.

However, to learn about the heritage of Montana's tribes centuries farther back in time is much more challenging because experts have to rely on types of evidence that are harder to find and more difficult to interpret. Archaeologists have identified over 300 in Montana alone, and there are likely many more that haven't been found or reported.

We know them as "buffalo jumps," however most are not cliffs, but rather places where bison were driven into natural or man-made enclosures, or into bogs or snow-banks, and then finished off with weapons.

It also has some applications in geology; its importance in dating organic materials cannot be underestimated enough.

In 1979, Desmond Clark said of the method “we would still be foundering in a sea of imprecisions sometime bred of inspired guesswork but more often of imaginative speculation” (3).

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