The first exposition of conservation and its builders;
an official history of the National conservation exposition, held at Knoxville, Tenn., in 1913 and of its forerunners, the Appalachian expositions of 1910-11, embracing a review of the conservation movement in the United States from its inception to the present time.
Ed. by W. M. Goodman. Contributors:--Gifford Pinchot. Don Carlos Ellis. Miss Julia C. Lathrop [and others]

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