 | United States. Department of the Interior - 1849 - 1198 pages
...for such ores and mineral products as aro particularly needed, and conserving resources through the prevention of waste In the mining, quarrying, metallurgical, and other mineral Industries. This appropriation permitted organization on a far larger scale, although much work on war minerals... | |
 | 1918 - 892 pages
...conditions, and increasing safety, efficiency, economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries ; investigations of explosives and peat; and on behalf of the Government the investigation of mineral... | |
 | 1910 - 594 pages
...conditions and increasing safety, efficiency, economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries; to inquire into the economic conditions affecting these industries ; to investigate explosives, etc.,... | |
 | 1912 - 896 pages
...a view to improving health conditions, increasing safety, efficiency, economic development, and the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries, and as will facilitate the proper and efficient deve opment of the resources of the public domain."... | |
 | United States - 1914 - 1302 pages
...conditions, and increasing safety, efficiency, economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries ; to inquire into the economic conditions affecting these industries ; to investigate explosives and... | |
 | United States. Bureau of Mines - 1915 - 128 pages
...conditions, and Increasing safety, efficiency, economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries; to inquire into the economic conditions affecting these industries; to investigate explosives and peat;... | |
 | 1915 - 976 pages
...conditions, and increasing safety, efficiency, economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries; to inquire into the economic conditions affecting these industries; to investigate explosives and peat... | |
 | Iowa. Mine Inspectors - 1916 - 116 pages
...conditions and increasing safety, efficiency, economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries; to inquire into the economic conditions affecting these industries; to investigate explosives, etc.,... | |
 | United States - 1916 - 1254 pages
...conditions, and increasing safety, efficiency, economic development, and conserving resources through the 24 + | J}c ӑ 5྆ ] {Δ `ц bvk+ q X n -/ & U " y˕h$ ʜ>,c 6 to inquire into the economic conditions affecting these industries ; to investigate explosives and... | |
 | United States. Congress. House. Committee on Appropriations - 1916 - 962 pages
...conditions and increasing safety, efficiency, economic development, and conserving resources through the prevention of waste in the mining, quarrying, metallurgical, and other mineral industries; to inquire into the economic conditions affecting these industries^: J'roi itled, That no part thereof... | |
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... 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 development,... 
