Black obsidian, side-notched point with concave base and serrated edges. Tip is broken. There is an adhering matrix on one side. D. Bradley 01/14/99

Black obsidian, shouldered point with an expanding, split stem. There is an adhering matrix on one side. M. Christopher 01/08/99

Surface Depth: 3.0-4.0 OAS 10 points; 2 flake tools.

Black obsidian drill, with broken tip. D. Bradley 02/05/99

Black obsidian elongated biface with both ends broken parallel to each other. K. Peterson 2/5/99

Black obsidian leaf-shaped biface with one end broken. 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 Newberry Volcano. 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-] 21 [Collection Name] Bergen [Analysis] Specimen No: 1 [Source Location] Newberry Volcano 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. Base is broken. D. Bradley 01/27/99

Black obsidian, corner-notched point with concave base. Tip and one tang broken. D. Bradley 02/07/99

Black obsidian, corner-notched point. D. Bradley 02/07/99

Black obsidian biface. D. Bradley 01/28/99