Gray chert biface that is broken at one end and tapers to a point on the other. There is an adhering matrix on both sides. 11/30/98 D. Bradley

Black obsidian, stemmed point with round shoulders. D. Bradley 02/10/99

Black obsidian, side-notched point with broken base. There is an adhering matrix on one side. 12/01/98 D. Bradley

Cobble is square in cross section, rectangular in plan view. Flaking is at one end (short axis) of the cobble and battering scars are on the surface opposite of the flake scars.

A brown, chert, corner-notched point with broken tip. T. Curtis-Flaherty, 1/29/98

Black obsidian, square-shouldered point. Portion of one edge is broken 4.3 cm in length. D. Bradley 01/14/99

Black obsidian biface 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-] 30 [Collection Name] Bergen [Analysis] Specimen No: 6 [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.

Black obsidian stemmed point fragment with a concave 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 Cougar Mountain. 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-] 29 [Collection Name] Bergen [Analysis] Specimen No: 5 [Source Location] Cougar Mountain 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.

Leaf shaped. Translucent with red mottles and tip broken off.

Tan chert, triangular