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Photograph

White Pine Blister Rust Eradication Crew

Date: 
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...
Photograph

Gaylord Nelson Canoeing The Namekagon River

Date: 1966
Description: Gaylord Nelson participates in a canoe trip down the Namekagon River in an effort to protect the river under the National Wild and Scenic Rivers Act.
Photograph

Examining PCB Levels in the Sheboygan River

Date: 10 1978
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...
Photograph

Examining PCB Pollution in Soil

Date: 10 1978
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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