 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...  Hearings: Interior Dept - 58 페이지저자: United States. Congress. Senate. Committee on Appropriations - 1934전체보기 - 도서 정보
 | Geologiska föreningen (Sweden) - 1916 - 748 페이지
...investigatious concerning mining, aud the prcparation, treatmenl, and utilization of mineral substam-cs with a view to improving health conditions and increasing safety, efficiency, economic development, and cunserving rcsources through the prevention of waste in the mining, quarrying. metallurgical, and other... | |
 | United States - 1917 - 706 페이지
...investigations concerning the mining, preparation, treatment, and utilization of ores etc. and other mineral substances, with a view to improving health...efficiency, economic development, and conserving resources througn the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries;... | |
 | 1918 - 892 페이지
...publications contain the results of scientific aud technologic investigations concerning mining, in the preparation, treatment, and utilization of mineral...economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries ; investigations... | |
 | 1910 - 594 페이지
...Mines was established by an act of congress in the year 1910. The purpose and aim of the bureau is, "To conduct inquiries and scientific and technologic...economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries; to inquire... | |
 | United States - 1914 - 962 페이지
...province and duty of the Bureau of Mines, subject to the approval of the Secretary of the Interior, to conduct inquiries and scientific and technologic...economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries; to inquire... | |
 | United States - 1914 - 1302 페이지
...province and duty of the Bureau of Mines, subject to the approval of the Secretary of the Interior, to conduct inquiries and scientific and technologic...economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries ; to... | |
 | United States. Department of the Interior - 1914 - 986 페이지
...of Mines * * * to conduct inquiries and scientific and technologic investigations concerning * * * the preparation, treatment, and utilization of mineral...improving health conditions and increasing safety * * * in the * * * metallurgical and other mineral industries." The fatality rate in metal mining is... | |
 | United States. Department of the Interior - 1914 - 1082 페이지
...of Mines * * * to conduct inquiries and scientific and technologic investigations concerning * * * the preparation, treatment, and utilization of mineral...improving health conditions and increasing safety * * * in the * * * metallurgical and other mineral industries." The fatality rate in metal mining is... | |
 | United States. Bureau of Mines - 1915 - 128 페이지
...province and duty of the Bureau of Mines, subject to the approval of the Secretary of the Interior, to conduct inquiries and scientific and technologic...treatment, and utilization of mineral substances with » view to improving health conditions, and Increasing safety, efficiency, economic development, and... | |
 | United States. Congress. House. Committee on Appropriations - 1915 - 1022 페이지
...technologic investigations concerning the mining, preparation, treatment, and utilization of ores and other mineral substances, with a view to improving health...economic development, and conserving resources through the prevention of waste in the mining, (marrying, metallurgical, and other mineral industries.'" etc.,... | |
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