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✎ Suggest a correctionCaptures the majesty of the Grand Canyon, and recreates its formation by the Colorado River. The major geological eras are traced covering a period of three billion years, based on evidence found in the strata of the canyon walls. Shows the varied specimens found embedded on the lower walls - footprints, shells, vertebrae, etc. Measures the canyon as 217 miles long, from 4-18 miles wide, and about 1 mile deep.
Copyright
Registered 24Sep71 · LP47720 (Jan-Jun 1977) Copyright holder: Screen Gems, a division of Columbia Pictures Industries, Inc
Sources
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — title, year, creator, length, copyright
- Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education) — title, creator, length, color, description
- Wikidata · Q114464702 ↗
Record added 2026-06-28T22:04:35Z · Suggest a correction