Report on the Mining Methods and Appliances Used in the Anthracite Coal Fields |
From inside the book
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Page 42
... cents should be added . For holes double this average depth of 400 feet the cost per foot would probably be nearly if not quite doubled . Mr. Riley divides the cost thus : Labor , . Diamonds , Fuel , water and repairs , $ 1.15 .66 .41 ...
... cents should be added . For holes double this average depth of 400 feet the cost per foot would probably be nearly if not quite doubled . Mr. Riley divides the cost thus : Labor , . Diamonds , Fuel , water and repairs , $ 1.15 .66 .41 ...
Page 94
... cents per yard , pay of laborers from $ 2.50 to $ 4.00 per yard , averaging $ 3.60 , making his total average expenses in hard coal $ 4.50 per yard . The profits or net earnings of miners working on gang- way contracts must always vary ...
... cents per yard , pay of laborers from $ 2.50 to $ 4.00 per yard , averaging $ 3.60 , making his total average expenses in hard coal $ 4.50 per yard . The profits or net earnings of miners working on gang- way contracts must always vary ...
Page 116
... cent . of the coal is ob- tained by the ordinary method , and all of it may be recov- ered by stripping , a royalty of twenty - five or thirty cents per ton will pay the land owner better than fifty cents per ton on the ordinary plan ...
... cent . of the coal is ob- tained by the ordinary method , and all of it may be recov- ered by stripping , a royalty of twenty - five or thirty cents per ton will pay the land owner better than fifty cents per ton on the ordinary plan ...
Page 127
... cents per ton of coal . " The increased portion that can be taken out of the vein . is an item that will amount to more ... cent . of the panel coal can be extracted , while a very large proportion of the refuse can be packed in the .gob ...
... cents per ton of coal . " The increased portion that can be taken out of the vein . is an item that will amount to more ... cent . of the panel coal can be extracted , while a very large proportion of the refuse can be packed in the .gob ...
Page 142
... cent . to seventy or eighty per cent . It has been claimed that the actual cost of opening the Mammoth bed by this plan in the Mahanoy and Shenandoah districts , would be less than by the ordinary plan ; the as- sumption being that the ...
... cent . to seventy or eighty per cent . It has been claimed that the actual cost of opening the Mammoth bed by this plan in the Mahanoy and Shenandoah districts , would be less than by the ordinary plan ; the as- sumption being that the ...
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Other editions - View all
Report on the Mining Methods and Appliances Used in the Anthracite Coal ... H. M. Chance No preview available - 2017 |
Report on the Mining Methods and Appliances Used in the Anthracite Coal ... H. M. Chance No preview available - 2015 |
Common terms and phrases
accidents acid acid gas adopted airway amount angle anthracite coal anthracite regions anticlinal Atlas Sheet average bars basin bituminous bituminous coal boiler boss bottom brake brake band brattice breaker breasts built cage carbonic carbonic acid cent coal breaker cost depth diameter dirt distance drill driven drum dump eight empty Explosions fire fire boss fire-damp friction gangway gear gunboat haulage Hazleton head-frame holes inches inclined inside iron large number Lehigh less lever lift located manway method miner mining engineers mules necessary operated outcrop outlet pass pillars plane plate Pottsville District props pumps raised rock rods roof Roof-falls rope screen seam shaft or slope sheaves shown by Fig shute side sinking slate starting friction steam sufficient surface thick timber tion tons track tunnel underground usually ventilation wheels width Wilkes-Barre winding engine wire rope Wyoming basin yards
Popular passages
Page 504 - ... neglect or failure aforesaid, a right of action shall accrue to the widow and lineal heirs of the person whose life shall be lost for like recovery of damages for the injury they shall have sustained.
Page 513 - The owner or agent of every coal mine shall provide at least two shafts, or slopes, or outlets, separated by natural strata of not less than one hundred and fifty feet in breadth, by which shafts, slopes, or outlets distinct means of ingress and egress are always available to the persons employed in the coal mine...
Page 508 - ... employed therein, any but experienced, competent and sober engineers ; and no engineer in charge of such engine shall allow any person, except such as may be deputed for that purpose, by the owner or agent, to interfere with it or any part of the machinery, and no person shall interfere or in any way intimidate the engineer in the discharge of his duties ; and...
Page 497 - ... and shall ascertain that the mine is free from danger, and the workmen shall not enter the mine until such examination has been made and reported, and the cause of danger, if any, be removed.
Page 499 - It shall be the duty of the inspector upon being notified as herein provided to immediately repair to the scene of the accident, and make such suggestions as may appear necessary to secure the future safety of the men ; and if the results of the explosion...
Page 503 - ... or shall handle or disturb any part of the machinery of the hoisting engine, or open a door to a mine and not have the same closed again, whereby danger is produced, either...
Page 504 - For any injury to person or property, occasioned by any willful violation« of this Act, or willful failure to comply with any of its provisions, a right of action shall accrue to the party injured, for any direct damages sustained thereby...