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Show Ruffinr THE ALTA TUNNEL Will Add Another Shift to Force Driving- Bore on August 4. Excellent progress is being made in putting the long bore, being driven by the Alta Tunnel & Transportation company com-pany at the head of Silver Fork, in shape for a more vigorous campaign J of work, according to General Manager Fred V. Bodfish. He oxpects to add another an-other shift of miners to the crew driving driv-ing the main tunnel ahead on August 4, and that -work is to be pushed along as rapidly as possible. No further difficulty difficul-ty is anticipated due to lack of ventilation. venti-lation. The ditch that carries away the water has been completed from the portal of the tunnel to tho 1080-i'oot point, with the ties laid and the track in permanently. perma-nently. Above the ditch there is boing laid the pipe line that is to be connected con-nected with the large suction fan. The fan has been installed near he portal of the tunnel in a large room that has been blasted out of the mountain side. The main tunnel is now in beyond the 2000-foot point and has attained a vertical ver-tical depth of more than 1000 feet. Ee-1 cently the miners encountered what was believed to be the white soluble limestone lime-stone in which the ore bodies of the district make. A few rounds of shots, however, passed through this formation and into the blue limestone again, the white limestone being merely a verv thin bed. The breast is changing with each round, indicating that the contact between the white limestone and the blue limestone is being neared or that another fissure is being neared. In discussing the development work yesterday, General Manager Bodfish said that as soon as the ventilation system sys-tem was installed the work of driving into the Clements ground recently acquired ac-quired by the company would be pushed with all possible speed. Having passed through the harder forination the miners putting in the ditch are now breaking the ground at the rate of about sixty feet per day. 1 |