Add to ORKGFrom repository (Webb 1996:140): One of a group of 10 chipped stone blades found together in Deposit 1, Burial Pit 3, Gahagan Mound. All are well formed, like others found at this site, presumably ceremonial knives, made of gray to brown chert and quartzites, with regular wide but shallow flakes across the faces, meeting over overlapping in the centers to produce rather thin blades with somewhat flat surfaces. The edges are secondarily chipped or pressure flaked to form good cutting surfaces with minimal serrations. Bases are straight to slightly concave, no stems; tips are sharp; edges generally straight and parallel, some mildly recurved. Legths vary from 6.7 to 18.5 cm., most in the 13 to 18 cm. range. Widths are 2.4 to 4 cm. This biface...