Black obsidian leaf-shaped biface with one end broken at an angle. 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-] 45 [Collection Name] Bergen [Analysis] Specimen No: 14 [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.

Eastern Washington Klickitat County Lower Columbia North America Pacific Northwest Plateau Washington State Western United States

yellow and square

Red and rectangular

broken in two; rectangular

incised lines on one face

Point tip.

Arrowhead. Locality: Quartermaster Harbor, Vashon Island, Wash. Remarks: Site 11.* White. *Information is from the original accession ledger.

Benton County Eastern Washington Lower Columbia North America Pacific Northwest Plateau Washington State Western United States

Irregular shape. Orange, light retouch.