Irregular shape. Brown, planoconvex, cortex.

Dark grey.

Black obsidian side-notched point 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 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-] 71 [Collection Name] Bergen [Analysis] Specimen No: 33 [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.

Whetstone of coarse sandstone.* *Information is from the original accession ledger.

Fragment, yellow

A tan, chert, corner-notched, stemmed, rounded point with one side corner-notched and other is stemmed and rounded. T. Curtis-Flaherty 2/17/98

Obsidian

A grey, chert, corner-notched, barbed, point. E. Perez-Lizano, 1/30/98.

Flat sandstone cobble, on one face there are two intersecting lines cut into it, there are stray cuts on other face.

Fragmentary black nephrite adze blade, ground on all faces with two edges ground to sharp cutting edges. See Munsell in Croes; 1976. Plate IX, p. 107.