E/MJ : engineering and mining journal . pany and willin> rase the annual production from 150,000 to1,000,000 tons. The Orkla Grube-Arktiebolag, which operates the Lok-ken mine, was organized under the laws of Norway in1904, the stock control being in the hands of Norwegianand Swedish interests. The mine is connected withThamshavn, at the head of the Orkedalsfjord, bj an elec- ta the ore reserves, it was deemed w nk a shaft 1,200 ft. di .i mile distanl from the pn surface plan! of the Lokken mine The work was started I- the >rl li npanj and the shaft sunk 85 ft. A shaft occupies a hillsid
E/MJ : engineering and mining journal . pany and willin> rase the annual production from 150,000 to1,000,000 tons. The Orkla Grube-Arktiebolag, which operates the Lok-ken mine, was organized under the laws of Norway in1904, the stock control being in the hands of Norwegianand Swedish interests. The mine is connected withThamshavn, at the head of the Orkedalsfjord, bj an elec- ta the ore reserves, it was deemed w nk a shaft 1,200 ft. di .i mile distanl from the pn surface plan! of the Lokken mine The work was started I- the >rl li npanj and the shaft sunk 85 ft. A shaft occupies a hillside position, a tunnel was driven outto , i ... the collar. This was used for ; ramming oui the spoil, the .-haft collar being used in lieuof a headframe. Im i Work U ndebtakeh bi i In May, L915, the E. J. Longyear Co., of Minneapolis,entered into with the 0 uy to finish sinking the shafl to a di pth of al I 1,200 r this contracl it was agreed to maintain an average rati i ft. (20 in.) per month. The crew for the work ^^-**V*M. A GENERAL VIEW IX THE VICINITY OF THE WALLENBERG SHAFT. ONE MILE FROM THE SIKFACE PLANT OF THE ORKLA COMPANY liic railway 16 mi. long. At Thamshavn the companyowns wharves for passenger and fi and auto- matic loading equipment. It also owns a flee of ore boatsand a passenger steamer making two round tripsletween Thamshavn and Trondhjem, a distance of.(I mi. The present produetioi ghbor- hood of 150,000 tons of cupriferoi mnually. A systematic drilling campaigi was carried on whichresulted in establishing a large tonnage iannual production is planned to be 1,000,000 tons. To develop and mine this recently found addition •Formerly chief engineer; now manager for E. J. LongyearCo. at Trondhjern, Ni I secun I Menomin© rk early in July, 1915. Shaftsinking, howi : started until A I , 0 ? had installed .. ant for air compress : I SI Lot _?r, which was 812 ENGINEERING AND FINING JOURNAL Vol. 102, No. 19 The shaft is 12x18 ft. outside of timber
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectmineralindustries
