Found 674 Refine Search items.
Found 674 Refine Search items.
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Bifacially flaked obsidian tool with contracting stem and round shoulders. The base is straight and the top of the point is missing. There is a bit of cortex on the un-numbered face. R.Williams 5/13/98
Red jasper biface. Stemmed and shouldered.
Black obsidian, stemmed, square-shouldered point with a contracting stem. There is an adhering matrix on one side. M. Chistopher 10/30/1998
Rose spring side-notched projectile point. Black, large rounded notches.
Black obsidian stemmed shouldered point. D. Bradley 10-30-98.
Brown, almost ovate in outline.
Black obsidian, stemmed point. One side is round-shouldered; the other is square-shouldered. 12/01/98 D. Bradley
Black obsidian parallel stemmed point with rounded shoulders. The base has a chip removed latitudinally. K. Peterson 10/16/98
A grey, bifacial point; one side corner-notched, other side shouldered and stemmed.
Black obsidian stemmed point that is shouldered and a portion of the tip is broken. M. Christopher 10/26/98. Dr. Dennis Jenkins, University of Oregon, sent this specimen to Northwest Research Obsidian Studies Laboratory, Corvalis, OR for analysis (on loan 11/30/98 - 4/9/99). A portion of this specimen was removed for obsidian hydration. The source of raw material was determined to be Cougar Mountain. Northwest Research Obsidian Lab placed a paper tag in the specimen bag with the following information: [Lab Contract #] BO-98-91 [Catalog #1989-57/35-M-] 177 [Collection Name] Bergen [Analysis] Specimen No: 60 [Source Location] Cougar Mountain See also the following report from Northwest Research Obsidian Studies Lab for more detailed analytical data: Skinner, Craig E. and Jennifer J. Thatcher 1998 "X-ray Fluoresence Analysis of Artifact Obsidian from the Bergen Site, Fort Rock Lake Basin, Lake County, Oregon." Northwest Research Obsidian Studies Laboratory, Report 98-91, Corvalis OR. Dr. Jenkins' interpretation of the data was reported at the Northwest Anthropological Conference, 4/8/99 - 4/10/99 in his paper entitled, "Obsidian Characterization and Hydration Results of the Fort Rock Basin Prehistory Project." D. Bradley 04/12/99.