Steamboats. No. 6614, application of Chicago & Erie Railroad Company, under provisions of sec. 5 of act to regulate commerce as amended by Panama Canal act, concerning its ownership and operation of certain water equipment on Chicago River; no. 7010, application of Erie Railroad Company, under provisions of sec. 5 of act to regulate commerce as amended by Panama Canal act, concerning its ownership and operation of certain water equipment on Chicago River; [decided May 29, 1915; report and order of commission].