What looked like ordinary rubble on a university campus turned out to be a 6,700-year-old Native American artefact

A small stretch of ground beside a chain-link fence on the University of Washington campus has turned out to hold a far older story than anyone working there on an ordinary day might have expected. It began almost casually, with soil being turned over near a greenhouse and a piece of stone lifting free that didn’t quite match the usual rubble of campus landscaping.

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