Chicago

States. Forest Service, United. 1913. The National Forest Manual. Regulations of the Secretary of Agriculture and Instructions to Forest Officers Relating to Water Power (act of February 15, 1901) and Telephone, Telegraph, and Power Transmission Lines (act of March 4, 1911) Issued by the Secretary of Agriculture to Take Effect February 24, 1913. Water Power, Telephone, Telegraph, Power Transmission Lines. : Washington, Government Printing Office.