Date: | 1965 |
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Description: | Cover page of a manual for dealing with Ductch Elm Disease with notes taken by Lorrie Otto. |
Date: | 1965 |
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Description: | Map of Wisconsin showing counties shaded according to when Dutch Elm Disease was first found in the county. |
Date: | 1967 |
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Description: | Cover of the Citizens Natural Resources Association of Wisconsin publication Pesticides - a Special Review. The cover features a drawing of a bird o... |
Date: | 05 14 1969 |
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Description: | Group of people seated around a large table discussing the use of DDT. From left to right facing camera: Samuel Rotrosen, President of Montrose Chemical; M... |
Date: | |
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Description: | Lorrie Otto in a native wildflower garden behind her home. |
Date: | 12 09 1968 |
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Description: | University of California molecular biologist, Dr. Robert Riseborough, left, confers during a break in the DDT hearings with Victor J. Yannacone, the attorn... |
Date: | 1961 |
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Description: | Front and back cover spread of Bird Mortality in the Dutch Elm Disease Program. The front cover has a drawing of a bird on a branch and impressions ... |
Date: | 1961 |
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Description: | Table compiling data about the amount of DDT found in dead or diseased birds of several species found in areas treated with DDT. |
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