Bifacially flaked obsidian tool with parallel flaking. The un-numbered face has ash adhered to ti. The biface is broken in half. R.Williams 6/4/98

Black obsidian scraper, with cortex on one side. D. Bradley 02/03/99

Black obsidian side-notched point with a flat base. 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-] 58 [Collection Name] Bergen [Analysis] Specimen No: 26 [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. D. Bradley 01/11/99

Black obsidian stemmed point. Stem broken latitudinally. K. Peterson 11/30/98

Black obsidian biface with both ends broken. M. Christopher 10/26/98.

Black obsidian, side-notched point, with old breaks on tip and one side of base. There is an adhering matrix on both sides. M. Christopher 01/08/99

Black obsidian, side-notched point. D. Bradley 02/05/99

Black obsidian point with one side side-notched and the other side stemmed and shouldered. D. Bradley 02/05/99

Nearly clear, tinted brown.