Cross Ranch: A Study of Variability in a Stable Cultural Tradition

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Work in the Missouri River valley has yielded information on the earliest through historic sedentary, horticultural occupations. In the Cannonball region of North Dakota, previous studies have (1) established the presence of two cultural traditions (the Middle Missouri and Coalescent), and (2) outlined major shifts in intra-tradition and occupational patterns. Tests and excavations at the Cross Ranch (320L 14) and Clark’s Creek (32ME 1) sites provide the first information on the early sedentary occupation of the Knife-Heart region. Remains from these sites are similar to those in Middle Missouri tradition sites in the adjacent Cannonball region. This study defines and evaluates variation in the ceramic and lithic technologies within the seemingly stable Middle Missouri cultural tradition by using new analytic techniques, statistical methods and computer analysis. Previously reported material and new data are analyzed and compared. Radiocarbon dates which range from the 12th through mid-15th centuries provide temporal control. Analysis of the fauna and flora indicate a stable subsistence based on hunting and horticulture. The artifact assemblages suggest general cultural stability and persistence. There are, however, subtle differences in the lithics and ceramics, most of which reflect changes through time by people sharing the same general potting and stone working practices. It is hypothesized that Clark’s Creek represents a northern component of the Fort Yates phase. A Nailati phase is posited on the basis of formal and temporal variation between Cross Ranch and the Fort Yates phase sites.