First off they keep pushing the occupation of North America back further and further with new discoveries. Who knows how far back it will become. It is also believed now that man has migrated into North America maybe many different times by different peoples and even possibly by European ancestors. Blood tests done on several American Indian peoples turned up DNA that had ancient European ancestry. Also man may as well have came here to America by boat over 10,000 years ago. There is much debate over these interesting new discoveries.

The current view of the Paleoindian period envisions bands of hunters entering the North American continent around 17,000 years ago (15,000 rcbp) by crossing a land bridge that connected eastern Siberia with Alaska. The land bridge was created during the Late Pleistocene by continent-sized glaciers, which, when created, drew water from the oceans' lowering sea levels by some 120 meters. It would appear that these same glaciers prevented these immigrants from expanding into the rest of the North American continent until about 16,000 years ago (14,000 rcbp).

The best diagnostic archeological evidence for these early Paleoindian bands are long, fluted chipped stone projectile (likely spear) points. These early points are named "Clovis" after the Clovis, New Mexico archeological site where the point type was first recognized in association with Late Pleistocene fauna. Within only a few hundred years after 14,000 years ago (12,000 rcbp), the Paleoindians appear to have occupied most of the North American continent and the Southeast.

Since 1960, archeological studies of the river basin projects, as well as statewide studies of Paleoindian point finds and site distributions in the Southeast, have led to refinements in the sequencing of point types and attempts to reconstruct Paleoindian cultural activities. Excavations at Paleoindian sites, better dating techniques, and study of the distribution of Paleoindian point types and the Late Pleistocene environment have led archeologists to develop new models for Paleoindian occupation in the Southeast now broken down into three subperiods between 13,450 and 11,450 years ago (11,500 and 10,000 rcbp).

Paleo Period ~ 40,000 - 12,000 B.P
The first subperiod, Early Paleoindian, is characterized by Clovis or Clovis-like large fluted stone points. It is believed that the distribution of these points throughout all the environmental zones in the Southeast represents the initial exploration and colonization of the region. Great mobility of the Paleoindians of this subperiod is suggested by the finding of stone tools and debitage traded or transported by these small bands over hundreds of kilometers from their quarry source. The Southeast, at this time, consisted of three broad environmental zones, running west to east. They were cool-climate boreal forests, temperate oak-hickory-pine forests, and subtropical sandy scrub. The last area was confined to the Florida peninsula and the coastal plain in the Southeast, which extended several kilometers outward from its present location due to the lower sea level. Megafauna of the Late Pleistocene was found in these three environmental zones. Early Americans shared our country with mammoth, mastodon, saber toothed cats, camels, giant sloths, and huge short faced bears, just to name a few. There is plenty of evedance, that paleo men followed around the big game. A mammoth could feed the whole tribe as well lend it's hide for shelter and clothing and It's ivory and bones for tools. Many of the big animals they hunted died out by 10,000 years ago. Climate change and pressure put on them by man were probably the cause.

Clovis points hafted to spears.

Middle Paleoindian 12,900 to 12,500 B.P.

The second subperiod, the Middle Paleoindian, is characterized by a number of fluted and unfluted points, both larger and smaller than Clovis points. The point types of this subperiod in the Southeast are Cumberland, Redstone, Suwannee, Beaver Lake, Quad, Coldwater, and Simpson. This subperiod is viewed as a time when the population was adapting to optimum environmental resource zones instead of randomly moving throughout the Southeast. Concentration on specific zones and resources may account for the variation in the stone points of this subperiod.

Late Paleo Period ~ 15,000 - 10,000 B.P.

Unfluted Dalton Points (Adapted from "Fort Benning: The Land and the People" pages 10-11).

Fluted Dalton Points (Adapted from "Fort Benning: The Land and the People" pages 10-11).

The last subperiod, the Late Paleoindian, is characterized by Dalton and other side-notched-style points. The replacement of fluted point forms by nonfluted points is believed to reflect a change in the adaptive strategy, away from hunting Late Pleistocene megafauna toward a more generalized hunting of small, modern game, such as deer, and a collecting subsistence strategy within the southern pine forests as they replaced the boreal forests.

Chert deposits may have attracted Paleoindian groups of this subperiod to specific locales in order to replenish their stone tools. Such a tendency may have constrained these groups to a specific landscape, setting the stage for the intensive regional specialization that characterized the succeeding Archaic Period. It is possible that large Paleoindian sites in the Southeast are permanent or semipermanent base camps from which resources of specific territories were exploited. Trade or transportation of stone tools appear to decrease as Late Paleoindian groups relied on local materials for their needs.

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