Bifacially flaked obsidian point. It is side notched with parallel stem and slightly concave base. R.Williams 5/13/98

Black chert

Box of partially worked stones. Locality: Columbia River near Ellsworth. Remarks: 1 traded to CMNH. Number of specimens: Ledger has 1 (48) written in pencil.* *Information comes from original accession ledger.

Black obsidian point, with contracting stem. D. Bradley 01/12/99

A tan, chert, corner-notched. T. Curtis-Flaherty, 1/27/98

Black obsidian triangular biface; one end is broken. 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 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-] 97 [Collection Name] Bergen [Analysis] Specimen No: 42 [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.

Small, bifacial, double edged drill. Yellow chert, circular at center.

Obsidian oval-shaped biface, with retouch.

Black obsidian side-notched point with a flat base and a broken tip. M. Christopher 10/23/1998.

Black obsidian side-notched point with a flat base. M. Christopher 10/23/1998.