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	1.	Conservation and the Gospel of Efficiency : The Progressive Conservation Movement, 1890-1920. by Hays, Samuel Edition: 1st ed. Material type: Text; Format: available online ; Literary form: Not fiction Publisher: PIttsburgh : University of Pittsburgh Press, 1999Copyright date: ©1999 Online resources: Click to View Availability: No items available. Add to cart (remove)
	2.	The American People and the National Forests : The First Century of the U. S. Forest Service. by Hays, Samuel Edition: 1st ed. Material type: Text; Format: available online ; Literary form: Not fiction Publisher: PIttsburgh : University of Pittsburgh Press, 2009Copyright date: ©2009 Online resources: Click to View Availability: No items available. Add to cart (remove)
	3.	Wars in the Woods : The Rise of Ecological Forestry in America. by Hays, Samuel Edition: 1st ed. Material type: Text; Format: available online ; Literary form: Not fiction Publisher: PIttsburgh : University of Pittsburgh Press, 2006Copyright date: ©2006 Online resources: Click to View Availability: No items available. Add to cart (remove)

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