Diagnostic Oxbow and Pelican Lake chipped stone projectile points recovered in association with ice patches provide additional temporal resolution regarding use of these features. The shafts included in this analysis range in age from 9230 ± 25 B.P. Five shafts are birch (Betula spp.), two are willow (Salix spp.), one is fir (Abies sp.), and one is pine (Pinus sp.). This paper examines the types of wood used in the manufacture of hunting implements recovered at Greater Yellowstone Area ice patches through the analysis of nine unique wooden shafts and shaft fragments from five sites. The ice patch record complements traditional sources of archaeological knowledge through the addition of well-dated organic artifacts, such as shafts from hunting tools, recovered in a readily recognizable context. Ice patches and the alpine are important elements of the sociocultural landscape of the Greater Yellowstone Area, and they transcend the jurisdictional boundaries that divide the lands on which they occur.
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