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U.S. Forest Service
Caring for the land and serving people

United States Department of Agriculture


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https://www.fs.usda.gov/treesearch/search?keywords=%22Wisconsin.%22&%3Bf%5B0%5D=year%3A%221970%22&f%5B0%5D=author_facet%3A%22Long%2C%20Robert%20P.%22