Biennial Report, Volúmenes1-21883 |
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Página 39
... strike of the miners . There are several other mines located in the immediate vicinity of Centerville , that work over twenty men in the winter season , but are operated about the same as the mines already described . Co - operative ...
... strike of the miners . There are several other mines located in the immediate vicinity of Centerville , that work over twenty men in the winter season , but are operated about the same as the mines already described . Co - operative ...
Página 43
... strike coal , put down other holes until the limit of the deposit is well defined , and by keeping the level of the different holes , the dip or lowest places in the coal is found before commencing to sink a hoist- ing shaft ; and in no ...
... strike coal , put down other holes until the limit of the deposit is well defined , and by keeping the level of the different holes , the dip or lowest places in the coal is found before commencing to sink a hoist- ing shaft ; and in no ...
Página 55
... strikes against the rubbing surface with a momentum gained from a velocity of four hundred feet , and the increased resist- ance from the greater momentum acquired four times greater than before , and would require the pressure to be ...
... strikes against the rubbing surface with a momentum gained from a velocity of four hundred feet , and the increased resist- ance from the greater momentum acquired four times greater than before , and would require the pressure to be ...
Página 76
... strike for the first year of this report , al- though there was considerable dissatisfaction among the miners in the different parts of the State in the early part of the winter , as they expected a raise in the price of mining . There ...
... strike for the first year of this report , al- though there was considerable dissatisfaction among the miners in the different parts of the State in the early part of the winter , as they expected a raise in the price of mining . There ...
Página 77
... strike against a reduction of one half cent per bushel on the price of mining , which lasted about six weeks . The miners were compelled to give way , and went to work at the reduction . During the time of this strike there was ...
... strike against a reduction of one half cent per bushel on the price of mining , which lasted about six weeks . The miners were compelled to give way , and went to work at the reduction . During the time of this strike there was ...
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accident air-way Albia Angus appointed bituminous coal Bituminous shales black-damp Blue sand shales Boone county Boonesboro cage carbonic acid cause charge Coal and Mining Coal Company coal measures coal mines comply condition Coroner court creek cubic feet Dark death district dollars Drift deposit duties engine entry escape shaft examination feet per minute five furnace furnish Governor Gray clay shales hoisting shaft hole hundred feet Impure inches inspection inspector of mines jurors Kalo Keokuk county Kirkville labor Light limestone located Lucas county machinery Mahaska county map or plan MCELHANY miles miners mining boss Mining Company mining law Moines river oaths do say opening Oskaloosa Ottumwa owner or agent persons employed Polk county pressure proper railroad rock roof safety safety-lamp sandstone shaft or slope side superintendent therein thereof thickness thousand tion underground ventilation volume of air Wapello county William