 | United States. Department of the Interior - 1915 - 1040 페이지
...investigations concerning mining, and the preparation, treatment, and utilization of mineral substances with a view to Improving health conditions, and increasing...metallurgical, and other mineral Industries; to inquire Into tlie econotuic conditions affecting these Industries; * • * to Investigate the mineral fuels and... | |
 | United States. Congress. House Appropriations - 1915 - 1022 페이지
...concerning the mining, preparation, treatment, and utilization of ores and other mineral substances, with a view to improving health conditions and increasing...resources through the prevention of waste in the mining, (marrying, metallurgical, and other mineral industries."etc..and the appropriation is $100,000. and... | |
 | United States. Congress. House. Committee on Appropriations - 1915 - 1022 페이지
...concerning the mining, preparation, treatment, and utilization of ores and other mineral substances, with a view to improving health conditions and increasing...resources through the prevention of waste in the mining, (marrying, metallurgical, and other mineral industries.'" etc., ami the appropriation is $100.000.... | |
 | 1915 - 976 페이지
...concerning the mining, preparation, treatment, and utilization of ores and other mineral substances, with a view to improving health conditions and increasing...efficiency, economic development, and conserving resources tlirough the prevention of waste hi the mining, quarrying, metallurgical, and other mineral industries... | |
 | United States. Bureau of Mines - 1915 - 128 페이지
...the improvement of conditions, methods, and equipment, with special reference to health, safety, and prevention of waste in the mining, quarrying, metallurgical, and other mineral industries; the use of explosives and electricity, safety methods and appliances, and rescue and firstaid work... | |
 | Iowa. Mine Inspectors - 1916 - 116 페이지
...investigations concerning mining, and the preparation, treatment, and utilization of mineral substances with a view to improving health conditions and increasing...affecting these industries; to investigate explosives, etc., and to disseminate information concerning these subjects." Congress has especially prescribed... | |
 | United States. Comptroller of the Treasury - 1916 - 788 페이지
...investigations concerning mining, and the preparation, treatment, and utilization of mineral substances with a view to improving health conditions, and increasing...affecting these industries: to investigate explosives and peat; and on behalf of the Government to investigate the mineral fuels and unfinished mineral products... | |
 | United States. Congress. House. Committee on Appropriations - 1916 - 962 페이지
...concerning the mining, preparation, treatment, and utilization of ores and other mineral substances, with a view to improving health conditions and increasing...the economic conditions affecting these industries^: J'roi itled, That no part thereof may be used for investigation in behalf of any private party, nor... | |
 | United States. Congress. House Appropriations - 1916 - 966 페이지
...concerning the mining, preparation, treatment, and utilization of ores and other mineral substances, with a view to improving health conditions and increasing...conserving resources through the prevention of waste in the ininiii;:. quarrying, metallurgical, and other mineral industries; to inquire into the economic conditions... | |
 | United States - 1916 - 1254 페이지
...the improvement of conditions, methods, and equipment, with special reference to health, safety, and prevention of waste in the mining, quarrying, metallurgical, and other mineral industries ; the use of explosives and electricity, safety methods and appliances, and rescue and first-aid work... | |
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Interior, to conduct Inquiries and scientific and technologic investigations concerning mining, and the preparation, treatment, and utilization of mineral substances with a view to improving health conditions, and increasing safety, efficiency, economic... 
