OCR Text |
Show !Sunnyside Tunnel Work Progresses Rapid progress during May in driving a tunnel through sandstone at Sunnyside for the coal operations opera-tions of Kaiser Stel Corp. is reported repor-ted by Centennial Development Co., the contractors. Working two shifts, 560 feet of 9x12 feet section tunel were drive in 29 days with a crew of 10 men. Average depth of round drilled with light machines on ail-legs was 7 feet 4 inches. Much was mechanically mech-anically loaded with a coal loading machine and average haul was 850 feet. |