Helicopters In The Grand Canyon

Creator: MMP

Format: 16mm

Sound: sound

Description: Describes the construction of a pipeline for carrying water from the north to the south rim of the Grand Canyon without marring any of the natural beauty. Shows helicopters being used to photograph the area and move equipment. Examines the physical geography, geology, biology, and history of the canyon.

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Original permalink · Record added: 2023-02-27 16:55:43