. Bulletin. Ethnology. Figure 6.—Ground stone artifacts, a, Grooved abrader. h, Spherical ham- merstone. c, Pipe, d, Diorite ax. e,f, Diorite celts, g, Grooved maul. ARROWSHAFT SMOOTHERS (5 FRAGMENTS) Boat-shaped blocks of a coarse-grained, light-brown sandstone have straight, symmetrical longitudinal grooves in their long axes. These grooves are shallow and U-shaped. The ends of the objects are straight or convex (fig. 5, k, I). 221-350—67 7. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance o
. Bulletin. Ethnology. Figure 6.—Ground stone artifacts, a, Grooved abrader. h, Spherical ham- merstone. c, Pipe, d, Diorite ax. e,f, Diorite celts, g, Grooved maul. ARROWSHAFT SMOOTHERS (5 FRAGMENTS) Boat-shaped blocks of a coarse-grained, light-brown sandstone have straight, symmetrical longitudinal grooves in their long axes. These grooves are shallow and U-shaped. The ends of the objects are straight or convex (fig. 5, k, I). 221-350—67 7. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Bureau of American Ethnology. Washington : G. P. O.
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