Construction of railroads in Alaska : hearings before the Committee on Territories, United States Senate. Sixty-third Congress, first session, on S. 48, a bill to authorize the President of the United States to locate, construct, and operate railroads in the territory of Alaska, and for other purposes, and S. 133, a bill to provide for the construction of railroads in Alaska, and for other purposes. May 2, 1913. (with addenda and index)