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. |
Date: | |
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Description: | Two barefoot men are standing and looking at a dilapidated outhouse, which has a sliding board for a seat extending out of the sides of the outhouse. The b... |
Date: | 1977 |
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Description: | A graph showing Secobarbital purchases in Wisconsin per capita. |
Date: | 1977 |
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Description: | A graph detailing Secobarbital purchases in Wisconsin by zip-zones. |
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