Lithic: View of drill fragments from Op 11. Top row, Z 10, Sq. A (LD# 8844). Middle row, left: Z 10, Sq. C (LD# 8872), middle: Z 18, Sq. B (LD# 9291), and right: Z 18, Sq. B (LD# 9292). Bottom row, Z 61, Sq. B (LD# 9632).