Steamboats. Spokane, Portland & Seattle Railway's ownership of The Dalles, Portland & Astoria Navigation Company; no. 6617, application of Spokane, Portland & Seattle Railway Company under provisions of sec. 5 of act to regulate commerce, as amended by sec. 11 of Panama Canal act, in connection with operation of The Dalles, Portland & Astoria Navigation Company; [decided Mar. 22, 1915; report and order of commission].