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Ecology
Science
1940s
56) 1720
Seasonal Changes in Trees
Educational film, junior high school level. Description UNH catalog: A class as they study the changes in types of trees throughout the year.
3) 1515.0071
Operation Everest
Operation Everest is a film documenting Dr. Charles S. Houston’s study of the same name conducted in 1946 for the United States Navy that used a pressure chamber to study the pr...
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