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| Description: | Six-man crew at Camp Mercer looking for ribes (gooseberries), a stage essential for the transmission of blister rust to white pines, working in a marsh are... |
| Date: | 09 20 1949 |
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| Description: | Al Koppenhaver, a game warden for the Wisconsin Department of Natural Resources, holding a bucket of dead fish that were removed from the Yahara River belo... |
| Date: | 09 20 1949 |
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| Description: | Two Wisconsin Department of Natural Resources employees removing dead fish from the Yahara River near the Johnson Street bridge. The fish were evidently ki... |
| Date: | 06 27 1954 |
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| Description: | Two people walk near a large rock formation in a wooded area with a picnic table in the foreground. The occasion was the opening of a new wayside park loca... |
| Date: | 07 1997 |
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| Description: | Bill Voelker, Department of Natural Resources (DNR) Wildlife Educator and Naturalist, poses near DNR building located between Mayville and Horicon. |
| Date: | 05 28 1964 |
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| Description: | Sunlight spotlights a prairie tract where more than 100 members of the Friends of the University of Wisconsin Arboretum picnicked and toured the area in gr... |
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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... |
| Date: | 05 29 1957 |
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| Description: | Conservation Warden Albert Koppenhaver gives a talking-to to a youthful game law violator for shooting a pheasant out of season. |
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