 | L. Bonnefoux - 1864 - 778 lapas
...accidenta, the possible improvement of conditions under which mining operations are carried on, the treatment of ores and other mineral substances, the...the work, investigations, and information obtained as the Secretary of said department may direct, with the recommendations of such bureau. 26 COINAGE... | |
 | United States - 1917 - 706 lapas
...prevent accidents, the possible improvement of conditions under which mining operations are carried on, the use of explosives and electricity, the prevention...inquiries and technologic investigations pertinent to the mining industry, and including all equipment, supplies, and expenses of travel and subsistence,... | |
 | United States. Department of the Treasury - 1911 - 498 lapas
...accidents, the possible improvement of conditions under which mining operations are carried on, the treatment of ores and other mineral substances, the...the work, investigations, and information obtained as the Secretary o£ said department may direct, with the recommendations of such bureau. Countries.... | |
 | 1918 - 892 lapas
...accidents, the possible improvement of conditions under which mining operations are carried on, the treatment of ores and other mineral substances, the...the prevention of accidents, and other inquiries and technological investigations pertinent to such industries. He also has charge of tests and analyses... | |
 | 1911 - 644 lapas
...prevent accidents, the possible improvement of conditions under which mining operations are carried on, the use of explosives and electricity, the prevention...inquiries and technologic investigations pertinent to the mining industry, $360,000 ; for the investigation, analyzing and testing of the coals, lignites... | |
 | 1910 - 300 lapas
...accidents, the possible improvement of conditions under which mining operations are carried on, the treatment of ores and other mineral substances, the...the work, investigations, and information obtained as the Secretary of said department may direct, with the recommendations of such bureau. SEC. 3. That... | |
 | United States. Dept. of the Interior - 1910 - 130 lapas
...accidents, the possible improvement of conditions under which mining operations are carried on, the treatment of ores and other mineral substances, the...pertinent to said industries, and from time to time to make public reports of the work, investigations, and information obtained as the secretary of said... | |
 | 1910 - 1240 lapas
...accidents, the poerible Improvement of conditions under which mining operations are carried on, the treatment of ores and other mineral substances, the...Investigations pertinent to said Industries, and from tin e to time make such public reports of the work. Investigations and information obtained as the... | |
 | United States - 1910 - 886 lapas
...accidents, the possible improvement of conditions under which mining operations are carried on, the treatment of ores and other mineral substances, the...inquiries and technologic investigations pertinent Pott, p. юз. to said industries, and from time to time make such public reporta of the work, investigations,... | |
 | 1911 - 646 lapas
...accidents, the possible improvement of conditions under which mining operations are carried on, the treatment of ores and other mineral substances, the...pertinent to said industries, and from time to time to make public reports of the work, investigations, and Information obtained as the secretary of said... | |
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Interior, to make diligent investigation of the methods of mining, especially in relation to the safety of miners, and the appliances best adapted to prevent accidents, the possible improvement of conditions under which mining operations are carried on,... 
