Basalt groundstone tool, possibly a net gauge ground to a square shape. M. Christopher 10/30/1998.

Oblong mammal bone tool fragment with one rounded end. K. Peterson 2/3/99

Black obsidian, side-notched point, with concave base. M. Christopher 01/08/99

Black obsidian, side-notched point with retouched edges. Tip is broken. D. Bradley 01/11/99

Black obsidian, side-notched point with a concave base. There is matrix adhering to one side. D. Bradley 01/11/99

Ground bird bone fragment that is broken at opposite ends. 11/02/98 D. Bradley.

Black obsidian, corner-notched point. One shoulder is broken. D. Bradley 02/10/99

Black obsidian biface. D. Bradley 02/10/99

Black obsidian lanceolate point. D. Bradley 02/10/99

Black obsidian stemmed point fragment. 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 McComb Butte. 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-] 32 [Collection Name] Bergen [Analysis] Specimen No: 8 [Source Location]: McComb Butte 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.