Date: | 1915 |
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Description: | Jack Vilas (seated) in the Curtiss hydroplane he used to spot forest fires for the Wisconsin Conservation Department. (His companion is not identified.) Th... |
Date: | |
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Description: | A person is standing in the middle of a field covered with downed tree branches holding a red balloon to guide the airplane flying towards him. The plane i... |
Date: | 1943 |
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Description: | A photographic copy of a World War II era poster which extols the value of forest products in the American war effort. There are vignettes illustrating the... |
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