 | Colorado - 1883 - 370 pages
...shall be lowered or hoisted by the machinery at any one time. SEC. 4. The owner or agent of every coal mine whether shaft, slope or drift, shall provide...such mine an amount of ventilation of not less than 100 cubic feet per minute per person employed in such mine, which shall be circulated and distributed... | |
 | Washington (State) - 1883 - 494 pages
...coal mine in this territory, whether shaft, slope, drift or tunnel, shall provide and maintain for such mine an amount of ventilation of not less than...cubic feet per minute per person employed in such coal mine, and as much more as the inspector may direct, which shall be circulated to the face of each... | |
 | 1883 - 340 pages
...approved June 18, 1883.] SEC. 4. The owner, agent or operator of every coal mine, whether operated by shaft, slope or drift, shall provide and maintain for every such mine a sufficient amount of ventilation, to be determined by the inspector, at the rate of one hundred cubic... | |
 | Iowa - 1884 - 336 pages
...allowed for making outlets. SEO. 10. The owner or agent of every coal mine, whether it be operated bv shaft, slope, or drift, shall provide and maintain...ventilation of not less, than one hundred cubic feet of air per minute for each person employed in such mine, and not lees than five hundred cubic feet... | |
 | Iowa - 1884 - 336 pages
...provisions of section eight. SEC. 10. The owner or agent of every coal mine, wh'ether it be operated bv shaft, slope, or drift, shall provide and maintain...ventilation of not less than one hundred cubic feet of air per minute for each person employed in such mine, and not less than five hundred cubio feet... | |
 | Iowa, Emlin McClain - 1884 - 314 pages
...provisions of section eight. SEC. 10. The owner or agent of every coal mine, whether it be operated by shaft, slope, or drift, shall provide and maintain...ventilation of not less than one hundred cubic feet of air per minute for each porson employed in such mine, and not less than five hundred cubic feet... | |
 | Kentucky. Dept. of Mines and Minerals - 1888 - 544 pages
...owner, agent, or lessee of every coal mine, whether slope, shaft, or drift, to which this act applies, shall provide and maintain for every such mine an...ventilation of not less than one hundred cubic feet of air per minute per person employed in such mine, which shall be circulated and distributed throughout... | |
 | Kentucky. Department of Mines and Minerals, Kentucky. Mines and Minerals Department - 1895 - 248 pages
...owner, agent or lessee of every coal mine, whether slope, shaft or drift, to which this act applies, shall provide and maintain for every such mine an...ventilation of not less than one hundred cubic feet of air per minute per person employed in such mine, which shall be circulated and distributed throughout... | |
 | Iowa. General Assembly - 1884 - 1026 pages
...approved June 18, 1883.] SEC. 4. The owner, agent or operator of every coal mine, whether operated by shaft, slope or drift, shall provide and maintain for every such mine a sufficient amount of ventilation, to be determined by the inspector, at the rate of one hundred cubic... | |
 | Iowa. Board of Health - 1885 - 606 pages
...provisions of section eight. SEC. 10. The owner or agent of every coal mine, whether it be operated by shaft, slope, or drift, shall provide and maintain...ventilation of not less than one hundred cubic feet of air per minute for each person employed in such mine, and not less than five hundred cubic feet... | |
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The owner or agent of every coal mine, whether shaft, slope or drift, shall provide and maintain for every such mine an amount of ventilation of not less than... 
