Fossils, clues to the past [motion picture] / National Geographic Society.
Material type:
FilmPublication details: Washington, D.C. : National Geographic Society, Educational Services, c1983.Description: 1 film reel : sd., col. ; 16 mmSubject(s): Summary: Dr. Donald C. Johanson discusses what a fossil is and some of the ways in which they are formed. He also discusses what fossils reveal and how scientists determine their age.
Intended audience: Grades 7-12 and adults.
Issued also as videorecording.
Dr. Donald C. Johanson discusses what a fossil is and some of the ways in which they are formed. He also discusses what fossils reveal and how scientists determine their age.
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