 ... mined, whether by shaft, slope, or drift; the number of mines in operation, the number of men employed therein...  Annual Report - Sida 214efter Missouri. Dept. of Labor and Industrial Inspection, Missouri. Labor and Industrial Inspection Department - 1886Obegränsad förhandsgranskning - Om den här boken
 | 1925 - 1346 sidor
...surface, which are now worked or may hereafter be worked ; the kind or quality of coal ; bow the same is mined, whether by shaft, slope, or drift; the number of mines in operation in each county, the owners thereof ; the number of men employed in each mine, and the aggregate yearly... | |
 | 1906 - 484 sidor
...year, the extent of the workable mining lands in this state by counties ; also the manner of mining, whether by shaft, slope, or drift, the number of mines...in operation, the number of men employed therein, the amount of capital invested and the amount and value of all mine products. (RS 1889, § 7072, -amended.)... | |
 | 1887 - 850 sidor
...surface, which are now worked or may be hereafter worked ; the kind or quality of coal ; how the same is mined, whether by shaft, slope, or drift ; the number of mines in operation in each county ; the owners thereof; the number of men employed in each mine and the aggregate yearly... | |
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