| http://www.w3.org/ns/prov#value | - The artifacts are linked to the remains of shellfish, seals, geese, cormorants and fish.Funded by grants from the National Science Foundation, the team also found thousands of artifacts made from chert, a flint-like rock used to make projectile points and other stone tools.Some of the intact projectiles are so delicate that their only practical use would have been for hunting on the water, said Jo
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