English

DTIC ADA327204: Holocene Geoarchaeology and Prehistory of the Ray Roberts Lake Area, North Central Texas.

Archaeological and paleoecological investigations at ten prehistoric sites at Lake Ray Roberts recovered evidence of past lifeways and site formation processes in this region that is ecotonal between the Great Plains and the Gulf Coast Lowlands. Sites ranging in age from Middle Archaic (ca. 7,500- 4,500 BP) and Late Prehistoric (ca. 600 BP) were studied. These included sites in flood plain as well as terrace settings. Artifact densities and feature/faunal preservation were conditioned by these geologic contexts. In floodplain sites rapid aggradation promoted excellent preservation of serial occupations. These showed rather consistent use of environmental mosaics by mobile hunter gatherer populations. After the Archaic period, this area was used mainly as part of mobile Late Prehistoric systems, with little evidence of larger, stable settlements.

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