Biennial Report, Volumes 1-21883 |
From inside the book
Results 1-5 of 33
Page 15
... surface ; one engine brings the coal from two slopes , one on each side of the creek , using a single rope . The mines are ventilated by furnace , and if proper care is given to keep- ing a fire , there need be complaint about ...
... surface ; one engine brings the coal from two slopes , one on each side of the creek , using a single rope . The mines are ventilated by furnace , and if proper care is given to keep- ing a fire , there need be complaint about ...
Page 19
... surface are good . Shaft No. 3 was not in operation at the time of this visit . Standard Mine . This mine is located just outside the city limits , west of Oskaloosa , W. A. Durfee , superintendent . The company bought this mine , which ...
... surface are good . Shaft No. 3 was not in operation at the time of this visit . Standard Mine . This mine is located just outside the city limits , west of Oskaloosa , W. A. Durfee , superintendent . The company bought this mine , which ...
Page 20
... surface by steam power ; the thickness of the coal is from four and a half to six feet , and of good quality . The company has abandoned the old slope , as the coal can all be taken out the new slope , which is opened with double entry ...
... surface by steam power ; the thickness of the coal is from four and a half to six feet , and of good quality . The company has abandoned the old slope , as the coal can all be taken out the new slope , which is opened with double entry ...
Page 26
... surface indications can be found at a considerable distance from each other , so that from a surface view , it would seem almost certain that this is but the outcropping of an extensive coal field ; but , upon close examination , it ...
... surface indications can be found at a considerable distance from each other , so that from a surface view , it would seem almost certain that this is but the outcropping of an extensive coal field ; but , upon close examination , it ...
Page 28
... surface was in good condition . The volume of air for this mine was thirty - one thousand one hundred and forty cubic feet per minute . Eagle Mine . This company has just lately commenced to operate in this locality ; it is the same ...
... surface was in good condition . The volume of air for this mine was thirty - one thousand one hundred and forty cubic feet per minute . Eagle Mine . This company has just lately commenced to operate in this locality ; it is the same ...
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Common terms and phrases
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