Black obsidian, side-notched point; portion of tip broken. D. Bradley 01/12/99

Black obsidian stemmed and shouldered point with parallel flaking. A portion of the base and the tip are broken. M. Christopher 10/23/1998.

Black obsidian triangular biface. D. Bradley 10-26-98.

Black obsidian corner-notched point that is broken on one side of the base. 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 GF/LIW/RS. 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-] 115 [Collection Name] Bergen [Analysis] Specimen No: 48 [Source Location] GF/LIW/RS 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 fragment. 10/30/98 D. Bradley.

Black obsidian, side-notched point with convex base. There is a matrix adhering to one side. D. Bradley 02/10/99

Black obsidian, single-edged scraper. There is some cortex on dorsal side. D. Bradley 02/10/99

Black obsidian, crescent-shaped biface. D. Bradley 10-26-98.

Black obsidian biface. One end is broken. D. Bradley 02/05/99

Black obsidian, unstemmed point. D. Bradley 02/03/99