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Search: preservation
Filter: Year of 1900-1999
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| Learn about the 7th Wisconsin Historical Society director who developed civil rights documentation, local history preservation and Old World Wisconsin. |
| Founder of Earth Day |
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| This Wisconsin Senator, best known as the founder of Earth Day, championed the preservation of the environment and natural resources. |
| Read about Wisconsin's role in the development of the environmental movement in the United States in the 20th century. |
| Read about the battle flags carried by Wisconsin troops in the Civil War and later displayed in the state capitol. |
| Architectural photographs of the restored opera houses of Wisconsin. |
| Urban Planning in Wisconsin |
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| Learn about the man whose vision as an urban planner helped transform the city of Madison, the state park system, and the University of Wisconsin. |
| Read about Earth Day's founder, Gaylord Nelson, a Wisconsin senator and early environmentalist. |
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