193 P.2d 868 UNITED STATES FIRE INSURANCE COMPANY et al., Appellants, v. NORTHERN PACIFIC RAILWAY COMPANY, Respondent.[1] No. 30336.The Supreme Court of Washington. Department One. May 20, 1948. [1] Reported in 193 P.2d 868. [1] RAILROADS — “OPERATION” — WHAT CONSTITUTES — OPERATION OF WEED BURNER. To constitute the “operation” of a railroad requires everything […]