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What’s in that Bag of Dirt? Flotation Samples and Archaeology
Michael Diehl, Desert Archaeology’s resident paleoethnobotanist, brings us the first installment of an occasional series about the world of flotation samples. Buy a five-pound bag of flour. Dump out the flour. Grab a spade, head out into your yard, and shovel in enough dirt to fill the bag. Fill your…