Black obsidian corner-notched point that has one side of its base broken. M. Christopher 10/23/1998.

Black obsidian stemmed point that is shouldered 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 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-] 119 [Collection Name] Bergen [Analysis] Specimen No: 51 [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.

A tan, chert, corner-notched. Curtis-Flaherty 2/3/98

A grey, chert, bifacial, flaked, corner-notched point; tip is broken.

A dark tan, chert, bifacial, flaked point; base is broken.

Black obsidian biface broken at one end that results in the loss of half of one edge. Possible the tip to a large point. There is an adhering matrix on one side. M. Christopher 11/02/1998.

Black obsidian split-stemmed point with tip broken off. K. Peterson 11/23/98

Black obsidian, corner-notched point. D. Bradley 02/05/99

Black obsidian side-notched point, with a concave base. D. Bradley 01/11/99

A grey, chert, stemmed, shouldered point. E. Perez-Lizano, 1/30/98.