 | 1862 - 720 Seiten
...time being at work at least Two Shafts or Outlets, separated by natural Strata of not less than Ten Feet in Breadth, by which Shafts or Outlets distinct Means of Ingress and Egress are available to the Persons employed in the Mine ; but it shall not be necessary for the Two Shafts or... | |
 | 1870 - 330 Seiten
...time being at Work at least two shafts or outlets, separated by natural strata of not less than ten feet in breadth, by which shafts or outlets distinct means of ingress and egress are available to the persons employed in such scam, whether such two shafts or outlets belong to the same... | |
 | Great Britain. Parliament. House of Commons - 1869 - 582 Seiten
...being at work at least two shafts or outlets, separated by natural strata of not less than ten feet 35 in breadth, by which shafts or outlets distinct means of ingress and egress are available to the persons employed in such seam, whether such two shafts or outlets belong to the same... | |
 | Ohio. General Assembly. Senate - 1872 - 924 Seiten
...in such mine at least two separate outlets, separated by natural strata of not less than one hundred feet in breadth, by which shafts or outlets distinct...means of ingress and egress are always available to the persons employed in the mine ; but it shall not be necessary for the two outlets to belong to the... | |
 | John Coke Fowler - 1872 - 512 Seiten
...time being at work at least two shafts or outlets, separated by natural strata of not less than ten feet in breadth, by which shafts or outlets distinct means of ingress and egress are available to the persons employed in such seam, whether such two shafts or outlets belong to the same... | |
 | Maskell William Peace - 1872 - 234 Seiten
...time being at work at least two shafts or outlets, separated by natural strata of not less than ten feet in breadth, by which shafts or outlets distinct means of ingress and egress are available to the persons employed in such seam, whether such two shafts or outlets belong to the same... | |
 | British Columbia - 1911 - 600 Seiten
...natural strata of not less than twentyfive yards in breadth, or other outlets of not less than ten yards in breadth, by which shafts or outlets distinct means of ingress and egress are available to the persons employed in such seam, whether such two shafts or outlets belong to the same... | |
 | Ohio - 1872 - 368 Seiten
...in such mine at least two separate outlets, separated by natural strata of not less than one hundred feet in breadth, by which shafts or outlets distinct means of ingress or egress are always available to the persons employed in the mine; but it shall not be necessary for... | |
 | Pennsylvania. Inspectors of Mines - 1873 - 328 Seiten
...by natural »trata, of not lets than one hundred and fifty /eel in breadth, by which shafts, slopes or outlets, distinct means of ingress and egress are always available to the persons employed in the coal mino or colliery." Indeed, it was not shown by the drafts, nor claimed... | |
 | Henry C. Greenwood, Temple C. Martin - 1874 - 994 Seiten
...communication with every seam .... 2 shafts or outlets, separated by natural strata of not less than 10 feet in breadth, by which shafts or outlets distinct means of ingress and egress are available to the persons employed in such scam, whether such 2 shafts or outlets belong to the same... | |
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... by natural strata of not less than one hundred feet in breadth, by which shafts or outlets distinct means of ingress and egress are always available to the persons employed in the mine ; but... 
