Chopper Item Number: W1/15/4045 from the The Burke: University of Washington
Pebble that was once spherical, but was broken approximately in half, so that it is a semicircle (in plan view). Some flakes removed from one side (unifacially). Green-grey igneous rock with white and black inclusions.
Eastern Washington Klickitat County Lower Columbia North America Pacific Northwest Plateau Washington State Western United States