Copper Culture Indians mined in the Keweenaw Peninsula and Isle Royale. Surviving artifacts include weapons, tools and beads, however, any in private hands are quite rare. This example, dating 7000-1000 BC, is from a small group of Copper Culture Indian beads from the Indian Ridge Museum, Elyria, Ohio, ex. Col. Raymond Vietzen collection. Double bun form bead, 1/2” length. Each.