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Recent Archaeological Investigations At Three Island Crossing: Insights Regarding Late Archaic Diet Breadth And Mobility, Meghan Kim Eastman

Boise State University Theses and Dissertations

In 1986 and 1987, an important Late Archaic period site was excavated at Three Island Crossing (10-EL-294), near Glenns Ferry, Idaho. As ethnographic reports depict extensive reliance upon salmon for winter consumption (Steward, 1938; Murphy and Murphy, 1960) the recovery of 19,000 fish remains was significant. Analysis of this assemblage demonstrated that the minimum number of individual fish recovered was around 300. Equally important were radiocarbon analyses that identified three distinct Late Archaic occupations. Of note was the recovery of a structure and storage suggesting semi-permanent residence. A subsequent excavation was undertaken at Three Island Crossing in 2008 to determine …