The Grand Canyon Chronicles: Precambrian and Paleozoic Eras
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Focusing on the area that became the Grand Canyon, the film explains the geologic events of the Archeozoic, Proterozoic, and Paleozoic eras; four and one half billion years of the earth's geologic history. Narrated by Orson Welles.
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- 16mm Filmography (legacy record) — title, year, creator, length, format, description, catalog record
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