Black obsidian, corner-notched point. One tang is broken. D. Bradley 01/29/99

Obsidian side-notched point, with parallel flaking and rounded stem.

Black obsidian leaf-shaped biface with one end broken. M. Christopher 10/23/1998.

Black obsidian side-notched point fragment with retouched edges. 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 Glass Buttes 2. 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-] 149 [Collection Name] Bergen [Analysis] Specimen No: 57 [Source Location] Glass Buttes 2 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 biface. There is an adhering matrix on one side. D. Bradley 02/17/99

Black obsidian biface that is broken on one side. The broken end has a grey rock or occlusion imbedded in the obsidian. K. Peterson 2/3/99

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

Black obsidian biface, with retouched edges. One end is broken. D. Bradley 01/11/99

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

Black and pointy.