Bifacial flaked pebble. Flaking along one side only, opposing side is flat with round edges. Top and bottom are flat.

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

Bifurcated expanding base, gray.

Small biconvex point tip.

green cobble; slightly flat, has bifacial series of flake scars along two edges. These series almost meet. Third edge is rounded.

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

Brown flake with edge retouch.

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.

Mid-section of a thin, gray point.