Some of the earliest remains of the Southern Plains Villagers may be in what is called the
Paoli phase, located around the Oklahoma town of
Paoli and the Washita River Valley and the nearby South Canadian River Valley. Radiocarbon dates for Paoli sites are from AD 900 until about 1250 when the Paoli phase evolved into the
Washita River phase, dating from 1250 to 1450. Paoli village sites developed in place from earlier hunter-gatherer settlements. The Paoli and Washita River people lived in hamlets of up to ten thatched-roof houses typically built on terraces overlooking rivers. Hamlets often stood only a few hundred meters from each other indicating a fairly dense population. The Washita phase is distinguished from Paoli by differences in arrowheads, pottery, and architecture. These people cultivated maize and indigenous
marsh elder, hunted and caught deer, rabbits, fish, and mussels, and gathered edible wild plants such as
Chenopodium (goosefoot or lambs-quarters),
amaranth,
sunflower,
little barley,
maygrass,
dropseed, and
erect knotweed. They added beans and squash to their crops around 1200. As cultivation of maize, beans, and squash, the
"Three Sisters" of Native American agriculture, expanded, use of earlier indigenous crops declined.
Bison remains are scarce in earlier sites, but bison became more important as a source of food around 1300, indicating that their herds may have become more abundant in the region of the Paoli and Washita settlements. The
Custer (800–1250) and
Turkey Creek phases (1250–1450) were located further west than the Paoli and Washita phases but on the same Washita and South Canadian Rivers. Custer and Turkey Creek people knapped projectile points stones from the
Alibates quarries of the Texas Panhandle. There is no evidence that they grew squash and beans in addition to maize. They possibly had a greater reliance on gathering wild foods rather than cultivating crops. This finding is consistent with the drier climate of western Oklahoma compared to the more easterly Paoli and Washita phases. During the later Turkey Creek phase reliance on bison as a major food source increased. The
Henrietta focus or
Henrietta complex extends from the Red River valley of Oklahoma and Texas southward to the
Clear Fork of the Brazos River near
Graham, Texas. The Henrietta focus dates from approximately AD 1100 to 1500. The best-known site of the focus is Harrell, near Graham, which is also the southernmost major site at which Southern Plains villagers lived. South of Harrell the pre-Columbian Indians in Texas were hunter-gatherers, who apparently did not practice agriculture. The Harrell site features a large cemetery demonstrating that the site was inhabited for thousands of year. The
Wylie focus is located north of Dallas and reflects a blend of the Woodland agricultural society of the
Caddo in East Texas and the Great Plains societies to its west. It dates from AD 1000 or earlier. The
Upper Canark variant includes the Antelope Creek Phase, Panhandle phase, Optima focus, and the Buried City and Zimms complexes. All these manifestations of Canark were located in the Texas and Oklahoma Panhandles, the Zimms complex extending into western Oklahoma. The Canark variant dates from about 1100 to 1500. It is distinguished by the stone-slab foundations of its dwellings, which in multifamily and single-family structures. The people of the Canark variant may have borrowed the technology of their construction from the Pueblo peoples in the Rio Grande Valley in New Mexico and were possibly related linguistically to the Pueblo speakers. The majority opinion; however, is that they spoke a Caddoan language and were related to the Southern Plains villagers living to their east. The people of the Canark variant grew maize, beans, squash, and probably sunflowers in addition to hunting (mainly bison) and gathering wild food plants. The drought-prone area they occupied is marginal for agriculture without irrigation and the bulk of its 16 to 24 inches annual rainfall arrived in a few thunderstorms that cause flooding. Thus, the Antelope Creek people probably used water harvesting or "Ak-Chin" dryland farming techniques similar to those practiced by the Ancestral Pueblo peoples. The
Apishapa Phase in southeastern Colorado dates from 900 to 1400 and is characterized by stone slab architecture, often in defensible positions on mesas. The Apishaspa culture probably evolved in place from the earlier Graneros phase. They appear to have been primarily hunter-gatherers, but archaeologists have found some evidence of maize cultivation. Agriculture, however, was probably relatively unimportant due to the semiarid climate and the rocky canyons and dry mesas where many Apishapa dwellings have been found. It is uncertain whether the abundant petroglyphs of the area were the work of the Apishapa people. The
Bluff Creek,
Pratt, and
Wilmore complexes are located in south-central Kansas near and along the tributaries of the
Arkansas River. Bluff Creek is the earliest, dating from about 1000 until 1500. Pratt and Wilmore perhaps derive from Bluff Creek, dating from about 1400 until 1500. The Kansas sites are similar to the sites of the Southern Plains Villagers further south in Oklahoma. Along the Arkansas River in northernmost Oklahoma is the Uncas site, which is quite different than the others in the character of its dwellings and pottery and possibly represents an intrusion of unrelated people. ==Protohistoric period==