Surface Depth= 2-3' #11010

Black obsidian biface with one end pointed and the opposite end broken and retouched. M. Christopher 10/26/98.

Black obsidian, serrated point fragment with missing base. K. Peterson 2/5/99

Black obsidian corner-notched point fragment. D. Bradley 01/28/99

Black obsidian corner-notched point with one side of the base broken. M. Christopher 10/23/1998. 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 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-] 111 [Collection Name] Bergen [Analysis] Specimen No: 47 [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.

Black obsidian stemmed point that has portion of the base and tip broken. M. Christopher 10/23/1998.

Surface Depth: 12" OAS Triangular and black. Tip missing.

Black obsidian point fragment. Tip and base are broken. D. Bradley 02/05/99

Black obsidian biface. One end is broken. D. Bradley 02/17/99

Black obsidian drill with rounded a stem and the tip of the drill is broken. M. Christopher 10/26/98.