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Filter: Subject of Rats
Filter: Subject of protective clothing
| Date: | 02 23 1945 |
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| Description: | Dorothy Johansson, research assistant in zoology at the University of Wisconsin, performing an experiment using white rats to check techniques being develo... |
| Date: | 08 12 1948 |
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| Description: | Two men are scattering barium carbonate rat poison in a city dump located at the end of Fern Drive off Highbury Road near University Avenue. The land was o... |
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