Why was obsidian a much sought after rock which was traded far and wide by the Native

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Why was obsidian a much sought after rock which was traded far and wide by the Native Americans? (For example, obsidian from Yellowstone Park was traded as far east as Ohio.)

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Modeling the Dynamics of Life Calculus and Probability for Life Scientists

ISBN: 978-0840064189

3rd edition

Authors: Frederick R. Adler

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Question Posted: Oct 08, 2009 11:25 PM

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Why was obsidian a much sought after rock which was traded far and wide by the Native

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Its lack of minerals and hence lack of crystalline s...View the full answer

Modeling the Dynamics of Life Calculus and Probability for Life Scientists

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