Black obsidian point, which is stemmed, shouldered, and has tangs. One tang is broken. M. Christopher 5/27/98

Black obsidian, side-notched point that has an adhering matrix on the edge of one side. M. Christopher 10/30/1998.

Black obsidian, side-notched point with an expanding base. M. Christopher 10/30/1998.

Black obsidian biface. D. Bradley 02/03/99

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

Black obsidian biface fragment that is broken at one end and tapers to a point on the opposite end. There is a slight adhering matrix on one side. M. Christopher 11/02/1998.

Black obsidian leaf-shaped biface that is pointed at one end and the other end is flat. M. Christopher 10/09/98.

Black obsidian, side-notched point. Both tangs are broken. D. Bradley 02/05/99

Black obsidian corner-notched point that has an adhering matrix on the dorsal side. 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 Spodue 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-] 128 [Collection Name] Bergen [Analysis] Specimen No: 54 [Source Location] Spodue 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.

Black obsidian side-notched point with a flat 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 Silver Lake/Sycan Marsh. 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-] 81 [Collection Name] Bergen [Analysis] Specimen No: 39 [Source Location] Silver Lake/Sycan Marsh 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.