E/MJ : engineering and mining journal . Bureau of Mines as coming from the Director ofthe Bureau. Some cases, he said, had been decidedon questions of commercial importance. Productionwas not sought from prospectors without law prescribed, he continued, that no claim shallbe allowed or paid unless expenditures were madefor properties of chrome, manganese, pyrites or request, it is estopped from later claiming that theproperty is not of commercial importance. Following Mr. Shafroth, Philip N. Moore, pastpresident of the A. I. M. E. and also a member ofthe Commission, supplemented h
E/MJ : engineering and mining journal . Bureau of Mines as coming from the Director ofthe Bureau. Some cases, he said, had been decidedon questions of commercial importance. Productionwas not sought from prospectors without law prescribed, he continued, that no claim shallbe allowed or paid unless expenditures were madefor properties of chrome, manganese, pyrites or request, it is estopped from later claiming that theproperty is not of commercial importance. Following Mr. Shafroth, Philip N. Moore, pastpresident of the A. I. M. E. and also a member ofthe Commission, supplemented his colleagues re-marks by talking on The Commissions defined a deposit of commercial importance as 820 Engineering and Mining Journal Vol. 108, No. 20 one carrying ore of sufficient quantity and richnessto permit of being worked at a profit for a reasonableperiod of the war at the time when operation wasundertaken. This reasonable period, he said, wastaken as being two years. In concluding, he said,You came to tell your tr
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectmineralindustries
