Geological Work Of Ice
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Considers gradational work of ice in fracturing of rock in freezing weather. Animation is used to show the advances and retreats of vast continental glaciers of our continent in past geological ages.
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Sources
- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, description
- 16mm Filmography (legacy record) — creator, sound, catalog record
Original permalink · Record added 2023-02-27 02:41:19