Black obsidian lanceolate-shaped point that is stemmed with parallel flaking and retouched edges. M. Christopher 10/16/1998. 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 Silver Lake/Sycan Marsh. 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-] 25 [Collection Name] Bergen [Analysis] Specimen No: 2 [Source Location] Silver Lake/Sycan Marsh 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.

Black obsidian side-notched point with concave base. Tip and one side of blade broken. Blade break is longitudinal and extends from tip break to shoulder base. K. Peterson 11/30/98

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.

Gray obsidian, corner-notched point. D. Bradley 01/20/99

Black obsidian, triangular biface. 11/02/98 D. Bradley.

Black obsidian split-stemmed point. D. Bradley 01/12/99

Black obsidian point that has an adhering matrix on one side. M. Christopher 11/02/1998.

One side broken; black.

Black obsidian corner-notched point. One tang is broken. D. Bradley 02/10/99

Black obsidian, corner-notched point with two notches in base. Tip was broken during cataloging by lab volunteer (1/99). D. Bradley 02/10/99