 | United States. Dept. of the Interior - 1849
...•ources of supply and substitutes for such ores and mineral products as aro particularly needed, and conserving resources through the prevention of...quarrying, metallurgical, and other mineral Industries. This appropriation permitted organization on a far larger scale, although much work on war minerals... | |
 | United States - 1917
...conditions and increasing safety, efficiency, economic development, and conserving resources througn the prevention of waste in the mining, quarrying,...conditions affecting these industries; and including nüne osting minerai ruéis, £r?w'™- , ,„ all equipment, supplies, expenses of travel, and subsistence:... | |
 | 1918
...of mineral substances with a view to Improving health conditions, and increasing safety, efficiency, economic development, and conserving resources through...quarrying, metallurgical, and other mineral industries ; investigations of explosives and peat; and on behalf of the Government the investigation of mineral... | |
 | 1912
...with 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. Department of the Interior - 1914
...of mineral substances with a view to Improving health conditions, and Increasing safety, efficiency, economic development, and conserving resources through...the economic conditions affecting these industries ; to Investigate the mineral fuels and unfinished mineral products belonging to or for the use of the... | |
 | United States - 1914 - 5686 стор.
...of mineral substances with a view to improving health conditions, and increasing safety, efficiency, economic development, and conserving resources through...the economic conditions affecting these industries ; to investigate explosives and peat; and on behalf of the Government to investigate the mineral fuels... | |
 | United States - 1914
...of mineral substances with a view to improving health conditions, and increasing safety, efficiency, economic development, and conserving resources through...the economic conditions affecting these industries; to investigate explosives and peat; and on behalf of the Government to investigate the mineral fuels... | |
 | United States. Bureau of Mines - 1915 - 114 стор.
...mineral substances with » view to improving health conditions, and Increasing safety, efficiency, economic development, and conserving resources through...the economic conditions affecting these industries; to investigate explosives and peat; and on behalf of the Government to investigate the mineral fuels... | |
 | United States. Bureau of Mines - 1915
...of mineral substances with a view to improving health conditions, and increasing safety, efficiency, economic development, and conserving resources through...the economic conditions affecting these industries; to investigate explosives and peat ; and on behalf of the Government to investigate the mineral fuels... | |
 | United States. Dept. of the Interior - 1915
...of mineral substances with a view to Improving health conditions, and increasing safety, efficiency, economic development, and conserving resources through...metallurgical, and other mineral Industries; to inquire Into tlie econotuic conditions affecting these Industries; * • * to Investigate the mineral fuels and... | |
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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... 
