Search the Wisconsin Historical Society's collections
Filter: Categories of Wisconsin Historical Images
Filter: FORMAT_TYPE of transparency, color
Filter: Subject of scientists
| Date: | 1974 |
|---|---|
| Description: | Two men applying systemic fungicide to an American Elm on a residential street through a gravity-feed. |
| 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... |
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:
