Grooved Abrader Item Number: 5673 from the The Burke: University of Washington
Large grooved abrader. Abrader has two long parallel grooves on each face. Rectangular prism with grooves on all four faces. Possibly andesite. Two (opposite) faces have two grroves each. Two additional (opposite) faces have only one groove each (6/95).
Eastern Washington Klickitat County Lower Columbia North America Pacific Northwest Plateau Washington State Western United States
Purchase from Dr. R. E. Stewart