How We Know About the Ice Ages

Duration: 16 min.

Genre: Educational | Historical | Nature

Year Published: 1964

Creator: BFA

Format: 16mm

Color: Color

Sound: sound

Description: Reviews geologic history to place the ice ages in perspective, indicates the areas, covered by ice in North America, and examines evidence of ice movement. Examines remnants of glaciers to show how they move and discusses the possibility of future glaciation., Reviews geologic history to place the ice ages in perspective, indicates the areas covered by ice in North America, and examines evidence of ice movement. Examines remnants of glaciers to show how they move and discusses the possibility of future glaciation.

Complete Record: , Reviews geologic history to place the ice ages in perspective, indicates the areas covered by ice in North America, and examines evidence of ice movement. Examines remnants of glaciers to show how they move and discusses the possibility of future glaciation., NOTE: Two (or more) records have been merged together to create this data.