Forest development roads and trails. : Hearings before a subcommittee of the Committee on Public Works, United States Senate, Eighty-eighth Congress, first session, on S. 1147, a bill to enable the Secretary of Agriculture to construct and maintain an adequate system of roads and trails for the national forests, and for other purposes. June 11 and July 31, 1963
Forest development roads and trails. : Hearings before a subcommittee of the Committee on Public Works, United States Senate, Eighty-eighth Congress, first session, on S. 1147, a bill to enable the Secretary of Agriculture to construct and maintain an adequate system of roads and trails for the national forests, and for other purposes. June 11 and July 31, 1963