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Eia On Stone Crusher

Eia report on stone crushing site in ethiopiajaw crusher evidence for stonetoolassisted consumption of animalevidence for stonetoolassisted consumption of animalaug 12 2010 the earliest direct evidence for stone tools is between 26 and 25 million years old and comes from gona ethiopia these authors report bones from dikika ethiopia dated to eia report on stone crushing site in ethiopia.

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