| Ohio - Session laws - 1872 - 368 pages
...slope or drift, shall provide and maintain within six reqaired. months after the passage of this act, for every such mine, an amount of ventilation of not less than one hundred cubic feet per minute per person employed in such mine, which shall be circulated to the face of each and every... | |
| Ohio. General Assembly. Senate - Ohio - 1872 - 924 pages
...shaft, slope or drift, shall provide and maintain, within six months after the passage o1 this act, for every such mine, an amount of ventilation of not less than one hundred cubic feet per minute per person employed in such mine, which shall be circulated to the face of each and every... | |
| Coal mines and mining - 1875 - 762 pages
...obtained by contract upon reasonable terms. SEC. 298. The owner or agent of every coal mine, whether shaft, slope, or drift, shall provide and maintain...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... | |
| Iowa. General Assembly - Iowa - 1882 - 700 pages
...as to avoid the leakage of air. I would, therefore, recommend that the operator of every coal mine shall provide and maintain for every such mine an...ventilation of not less than one hundred cubic feet per minute for each person employed in such mine; and that all mines governed by the provisions of... | |
| 1883 - 340 pages
...obtained by contract upou reasonable terms. SEC. 298. The owner or agent of every coal mine, whether shaft, slope, or drift, shall provide and maintain...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... | |
| Colorado - Law - 1883 - 370 pages
...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 and maintain...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) - Session laws - 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 one hundred cubic feet per minute per person employed in such coal mine, and as much more as the inspector may direct, which... | |
| Iowa, Emlin McClain - Law - 1884 - 314 pages
...such mine is under two hundred feet in depth, and two years when such- mine is over two hundred feet in depth; but not more than twenty men shall be employed...one hundred cubic feet of air per minute for each porson employed in such mine, and not less than five hundred cubic feet of air per minute for each... | |
| Iowa - Session laws - 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...employed in such mine, and not less than five hundred cubio feet of air per minute for each mule or horse employed in the same, which shall be distributed... | |
| Iowa - Law - 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...minute for each person employed in such mine, and not lees than five hundred cubic feet of air per minute for each mule or horse employed in the same, which... | |
| |