Archaeological Investigations at Sites 45-OK-2 and 45-OK-2A, Chief Joseph Dam Project, Washington.
Final technical rept. Aug 78-Oct 84,
WASHINGTON UNIV SEATTLE OFFICE OF PUBLIC ARCHAEOLOGY
Pagination or Media Count:
Sites 45-OK-2 and 45-OK-2A are on the floodplain of the Columbia River between River Mile 580-581 near the mouth of the Nespelem River in an upper Sonoran life zone. Excavations were conducted at 45-OK-2A in 1979 and 45-OK-2 in 1979 and 1980 by the University of Washington under contract to the U.S. Army Corps of Engineers, Seattle District as part of a mitigation program for a 10-foot pool raise at the Chief Joseph Dam Project. Total volumes of 90.6 cubic meters at 45-0K-2A and 372.9 cubic meters at 45-0K-2 were removed in 1 x 1 x 0.1-meter units of record in 1 x 2-m or 2 x 2-m sample units. Random sample units, 64 at 45-0K-2 and 29 at 45-0K-2A were selected using a stratified random sampling design with a higher sampling intensity in areas with visible surface depressions. An additional 81 nonrandom units were excavated at 45-OK-2. Four occupations are evident in the alluvial sediments of the terrace in the vicinity of 45-0K-2.
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