Drill, Modified Stone Item Number: 1989-57/35-E-49 from the The Burke: University of Washington
Bifacially flaked obsidian drill. The platform and bulb of percussion are visible on the numbered face and the platform grades into the drill. The left shoulder of numbered face is round and the right is square. The edges of the drill portion are steeply retouched almost forming a flat side. R.Williams 5/13/98
Great Basin Lake County, OR North America Oregon Plateau Western United States
Gift of Dr. Harold G. Bergen