Geologic time
By: Encyclopaedia Britannica Educational Corporation ; producer, Bert VanBork.
Contributors: Encyclopaedia Britannica Educational Corporation.
Publisher: The Corporation
Place of publication: Chicago, Ill
Format: Videorecording
Number of pages: 22
Subjects: Geological time.
Description: Introduces the concept of an evolving earth and explains various means of establishing relative time. Distinguishes absolute time from simple chronologies and shows how absolute time is measured.
Notes: VHS format.

Elementary through senior high school.