tools from stone, such as knives and other tools to pound, scrape, and cut. Food gathering, storing, cultivation, preparation and cooking Baskets – container which is traditionally constructed from stiff fibers, which was used to gather, store and, when pitch-lined, cook food. Digging sticks – used to plant seeds. Manos – a stone used as the upper millstone for grinding foods (as Indian corn) by hand in a metate. Metate – stone tool used for processing grain and seeds. Pottery – ceramic ware made from clay and fired for durability. Storage pits – underground pits, generally stone-lined for protection of surplus food against the elements and rodents. Hunting Atlatl – spear-thrower used to hunt game. Bow and arrow – projectile weapon used to hunt game, a significant improvement over the atlatl. Nets and snares – to trap small game. Projectile points – a stone object crafted to a projectile, such as a spear, dart, arrow, or knife. Spears – pole weapon consisting of a shaft, usually of wood, with a pointed head. Other Bone awls – simple tool used for sewing or to puncture holes, such as to create clothing from animal skins. Fire – Native American use of fire Rope – woven from yucca. Scraper – unifacial tools that were used either for hideworking or woodworking. Yucca – a source of food, material for clothing and sandals, soap and more. Origins of contemporary tribes The Ute arrived in Colorado by the 17th century and occupied much of the present state of Colorado. They were followed by the Comanches from the south in the 18th century, and then the Arapaho and Cheyenne from the plains who then dominated the plains of Colorado. The Cheyenne, Arapaho, and Comanche were the largest groups of indigenous people in Colorado at the time of contact with settlers. The following are the language groups and ancestors to contemporary Native American tribes: Algonquians – were located prehistorically in Canada and the United States from the Rocky Mountains to the eastern seaboard. The Plains Algonquians, a geographic subdivision of the Algonquians, included the Arapaho, Cheyenne and Blackfoot people. Arapaho – lived on the eastern plains of Colorado, Wyoming and across the Great Plains. They were close allies of the Cheyenne people with whom they shared territory in eastern Colorado and southeastern Wyoming. They wintered in the foothills of the Rocky Mountains, hunted buffalo on the plains during