Show THE BEN HA HARRISON RISON MINE some time ago we published a description of the new concentrating plant of the ben harrison located some twenty eight miles west of whitney oregon arthur L white of the lima locomotive works lima ohio took over the property in july 1910 ten thousand feet of work has been done since then the mine being opened by three levels the and with connecting drifts crosscuts cross cuts and raises all ore is shot down to the and crammed out to the mill A shaft is now being put down below the tunnel level the mine is thoroughly equipped with air drills ventilating pipe especially protected electric lamps sawmill electric fire pump blacksmith shop compressor house store rooms oil rooms etc the ore after passing over a grizzly to the receiving bin is crushed after which it is classified the coarse being treated on roughing tables and the fines on isbell van ners the tails from the roughing tables are reground in a tube mill and returned to the classifier circuit A concentrate dryer is now being built |