argest of probably the largest and most powerful of its kind in A conception cannot easily be formed of the tre- the kind in the world, is situated at Lake Linden, the world. The great Superior engine which operates mendous displacement that is going on underground Mich. the hoisting drums at the… … crease is barely noticeable in the the waste, that is, the small parti- bottom of the mine, except in some cles, is pre-eminent. shafts, and even then is not op- The head current of water com- pressive, as is claimed. twenty feet wide and one hundred feet deep, and you ing from the stamp heads, in…
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