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When Englishman William Buckland found a large tooth in 1824, scientists began to unravel the mystery a world no one knew existed.
First Air Date : Sep 08, 1991
Last Air date : Sep 11, 1991
Episode : 4 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: A&E
Country: United States of America
Cast: Walter Cronkite
Crew: