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Show I LOWER MAMMOTH SHAFT BEING DRIVEN SPEEDILY Lower Mammoth officials feel highlv gratified over the excellent progress being made by the management In sending the main shaft to depth, and they accord to Superintendent E. 0. Coffin and his able slants the credit that Is due them for their faithful sei vices. On Tuesdav last the. shaft was 120 feet in new ground below the 1200-foot, level, and at the present rate of Hpeed the 2000-foot level will bo gained at record speed for tho Untie camp. Mr. Coffin broke. all records rec-ords In enlarging and relimbcring the shaft from the surface to the 1200-foot level, doing the work in a manner which older heads pronounced Impossible at the beginning of the task. |