Date: | 1961 |
---|---|
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 |
---|---|
Description: | Table compiling data about the amount of DDT found in dead or diseased birds of several species found in areas treated with DDT. |
If you didn't find the material you searched for, our Library Reference Staff can help.
Call our reference desk at 608-264-6535 or email us at: