ERROR TO THE CIRCUIT COURT OF APPEALS FOR THE NINTH CIRCUIT. No. 636. Argued January 31, 1917. Decided March 6, 1917. Plaintiff, employed by the defendant, an interstate carrier, was injured while laboring in a tunnel which was then being constructed by the defendant in the State of Washington for the purpose of shortening its main line between Chicago and Seattle and thus improving its freight and passenger service. The tunnel was incomplete and had never been used in interstate commerce. Held,