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Science 24 May 1974:
Vol. 184. no. 4139, pp. 905 - 908
DOI: 10.1126/science.184.4139.905
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Articles

Holocene Stratigraphy and Archeology in the Middle Missouri River Trench, South Dakota

Stanley A. Ahler 1, David K. Davies 2, Cari R. Falk 3, and David B. Nmadsen 4

1 Quaternary Studies Center, Illinois State Museum, Springfield 62706
2 Department of Geology, University of Missouri, Columbia 65201
3 Midwest Archaeological Center. Lincoln, Nebraska 68504
4 Division of State History, Salt Lake City. Utah 84102

Shoreline erosion along man-made lakes in North Dakota and South Dakota has led to the discovery of stratified preceramic cultural remains in an area where previously few such materials have been found. One important exposure, the Walth Bay site, contains a 7000-year sequence of alluvial and eolian deposition capping an abandoned Missouri River terrace. Three distinct soil profiles are associated with successive Late Paleo-Indian, Plains Archaic, and Plains Village Tradition occupations.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)