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Show DEEPEST MINE. It is probably a fact not generally known that the Michigan copper country possesses the world's three deepest vertical shafts. The deepest of these is the No. 3 at the North Tamarack property, its measurement being 6200 feet eighty feet less than a mile. To the aouth. at a distance of 4000 feet, is the No. 6 shsft of the same company. This ranks as the second deepest vertical shaft on the globe, its messurement being 60&0 feet from the collar to the bottom level. Second only to these great openings is the Red Jscket shsft of the Calumet & Hecla company, which is down 4900 feet, and in which the copper lode waa not encountered until a depth of wSTO feet had been attained. The deepest inline ahaft in the world is the No. 4 of the Calumet & Hecla, Thia shaft Itself, from the collsr to the lowest level, is sunk on the plane of the lode for a distance of 8100 feet, while from a drift at the bottom winxe extends downward 190 feet to the boundary of the property, giving a measurement of 8290 feet from the surface. sur-face. No. 4 shaft passes by the Red Jscket shsft st the fifty-sixth level. Memphis News-Scimitar. |