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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Environmental protection
Filter: Creator Name of Tvedt, Dean
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| Description: | Elevated view of smog obscuring the skyline of the city. Snow is on the ground. |
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| Description: | A person is standing in the middle of a field covered with downed tree branches holding a red balloon to guide the airplane flying towards him. The plane i... |
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| Description: | Four men of the Wisconsin's Department of Natural Resources are wearing hard hats and standing next to a truck as they look over papers. The Wisconsin DNR ... |
| Date: | 10 1978 |
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| Description: | Two men are standing on the rocky shoreline of the Sheboygan River. One man is holding a shovel in his right hand and a glass jar in his left hand. The oth... |
| Date: | 10 1978 |
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| Description: | Two men are kneeling on the ground. One man is holding a shovel while the other man is scooping dirt from the shovel into a glass jar. They are measuring P... |
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