Ancestors of today�s Native Americans populated the Great Plains about 14,000 years ago, about the time glaciers of the last Ice Age began melting back to the north.
Archaeologists have reconstructed the history of these Hunter-Gatherers by studying old camp sites and tools made of stone.
Prehistoric people living on the dry Plains east of the Rocky Mountains were hunter-gatherers�they moved from place to place in search of animals to hunt and seeds, roots, and berries to gather.
Ancestors of today�s Native Americans populated the Great Plains about 14,000 years ago, about the time glaciers of the last Ice Age began melting back to the north