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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Scientists
Filter: Year of 1900-1999
Filter: Year of 1970-1979
| Date: | 1970 |
|---|---|
| Description: | Two women in paper "Smucker's" hats are watching a man at work in a laboratory beyond a set of windows, presumably at J.M. Smucker Company's Quality Contro... |
| Date: | 1974 |
|---|---|
| Description: | Two men applying systemic fungicide to an American Elm on a residential street through a gravity-feed. |
| Date: | 1972 |
|---|---|
| Description: | Political scientist Samuel L. Popkin and his wife. This photograph was taken about the time Wisconsin-born Popkin was jailed for his refusal to testify abo... |
| Date: | 02 1977 |
|---|---|
| Description: | A man is kneeling on the ice and snow at Potter's Lake. He is running a machine that is testing the oxygen levels in the water, while recording the results... |
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