Kin Lane: "Obsidian Cliff: Humanity’s Tool Shed for the Last…" - Mastodon

Kin Lane @[email protected]

Obsidian Cliff: Humanity’s Tool Shed for the Last 11,500 Years https://www.nytimes.com/2023/03/20/science/yellowstone-indigenous-people-obsidian.html?smid=tw-share

Mar 21, 2023, 17:57 · · Web · · ·

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