Date: | 1946 |
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Description: | Cover of United States Department of the Interior Circular 11 entitled DDT: Its Effect on Fish and Wildlife by Clarence Cottam and Elmer Higgins. Th... |
Date: | 01 17 1945 |
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Description: | Label submitted to the State of Wisconsin for trademark registration. The red, green and black label features a drawing of a dead rat, with skull and cross... |
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