Fossils - Clues To The Past

Presents Dr Donald C Johanson discussing what a fossil is and how they are formed. Deals with what fossils can reveal and how their age is determined. Shows a dig in Montana where fossils are being found.

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Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, description
  2. 16mm Filmography (legacy record) — creator, sound, genre, catalog record