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Nonfiction Title:
Deep Time: How Humanity Communicates Across Millennia • nonfiction by
Gregory Benford
Contents (view Concise Listing)
- Deep Time • [A Scientist's Notebook] • (1994) • essay by Gregory Benford
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| Verifier | Date | Type | Last User Activity Date |
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| SFJuggler | 2012-12-31 23:25:25 | Permanent | 2022-09-29 |
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| Currey | N/A | SFJuggler | 2012-12-31 23:25:25 |
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| Tuck | N/A | SFJuggler | 2012-12-31 23:25:25 |