Biennial Report, Volumes 1-21883 |
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Results 1-5 of 60
Page 12
... county , and out- crops in the bluffs of the Des Moines river , on one or , both sides , almost throughout the entire county . The drift formation of 12 [ E 4 REPORT OF STATE MINE INSPECTOR . SUMMARY OF WORK DONE. ...
... county , and out- crops in the bluffs of the Des Moines river , on one or , both sides , almost throughout the entire county . The drift formation of 12 [ E 4 REPORT OF STATE MINE INSPECTOR . SUMMARY OF WORK DONE. ...
Page 13
almost throughout the entire county . The drift formation of this county presents about the same features as those of other counties , with an average thickness of about sixty feet , while the coal meas- ures will not exceed a thickness ...
almost throughout the entire county . The drift formation of this county presents about the same features as those of other counties , with an average thickness of about sixty feet , while the coal meas- ures will not exceed a thickness ...
Page 14
... drift deposit of about seventy - five feet , while the coal measures are about one hun- dred and fifty feet ; and as the coal lays near the limestone , a drill hole would test the coal any place in the county at three hundred feet ...
... drift deposit of about seventy - five feet , while the coal measures are about one hun- dred and fifty feet ; and as the coal lays near the limestone , a drill hole would test the coal any place in the county at three hundred feet ...
Page 25
... drift . Both mines are ventilated by a furnace , and at the time of my last visit to the mines , the ventila- tion of the mine was very poor ; and as I had given them notice of the condition of their mines prior to this visit , I ...
... drift . Both mines are ventilated by a furnace , and at the time of my last visit to the mines , the ventila- tion of the mine was very poor ; and as I had given them notice of the condition of their mines prior to this visit , I ...
Page 33
... , two slopes and one drift , and are pushing the work as fast as they can . While at Swan there is a mine operated by a shaft using 5 1883. ] 33 REPORT OF STATE MINE INSPECTOR . the landing and a cover on the cage, but ...
... , two slopes and one drift , and are pushing the work as fast as they can . While at Swan there is a mine operated by a shaft using 5 1883. ] 33 REPORT OF STATE MINE INSPECTOR . the landing and a cover on the cage, but ...
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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