Show MONTANA cloudburst destructive masses of rock precipitated upon northern pacific railroad tracks roadbed cached out and traffic delayed butto mont aug 29 A cloudburst in silver bow canyon has wrought havoc with the northern pacific traffic and wrecking crews are now at work clearing away a mass of rock that was precipitated upon the tracks the storm broke last night and what was a few hours before a dry canyon was soon changed into a raging torrent which tore away rocks and hurled them upon the track the roadbed wa also washed out and traffic waa delayed several hours it Is estimated that about 25 tons of rock were plied upon the northern pacific tracks and a new gorge was formed by the force of the water two bridges wore swept away it will require 24 hours to repair the damage |