Five hundred million years a desert /

Documentary: On the five hundred million-year-old southern Arizona desert that has remained unchanged longer than most other ecosystems. Scenes of Ajo, Arizona and surrounding area: cowboys herd cattle, and people walking through fields of wild flowers; Mexican village residents line up for camera,...

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Bibliographic Details

Format:	Video
Language:	English
Language Notes:	In English.
Published:	Washington, D.C. : United States. Department of the Interior, 1940.
Subjects:	Deserts > Arizona. Déserts > Arizona. Deserts. Arizona. Documentaries and Factual Films Streaming videos. Documentary films. Documentaires.
Online Access:	Connect to this streaming video (Alexander Street Press)