DIY History | Transcribe | Scholarship at Iowa | Coal Measures and Coal Mining in Iowa, including paleontology and a discussion on the coal formation; also the methods of mining by Russell T. Hartman, 1898 | Coal Measures and Coal Mining in Iowa by Russell T. Hartman, 1898, Page 201

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Coal Measures and Coal Mining in Iowa, including paleontology and a discussion on the coal formation; also the methods of mining by Russell T. Hartman, 1898

Coal Measures and Coal Mining in Iowa by Russell T. Hartman, 1898, Page 201

[page]201.[/page]

air locomotives, or where the slope permits the loaded car going to the shaft may pull the empty car to teh miners by means of a cable passing over drums. Mules are in use in Iowa more than any of the other sources of traction. One mule can pull from one to six loaded cars, depending upon the grades and the condition of the track. The mules are kept in the mine all the time in a specially prepared stable. The stable is ventilated through a special entry or it is situated along the main entry near the shaft. Thus the air from the stables does not pass through the mine.
     For ventilation [inserted]of a mine[/inserted] air is forced through a special shaft called the air shaft. There are two ways in which this may be accomplished. First, By drawing the air from the

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[page]201.[/page] air locomotives, or where the slope permits the loaded car going to the shaft may pull the empty car to teh miners by means of a cable passing over drums. Mules are in use in Iowa more than any of the other sources of traction. One mule can pull from one to six loaded cars, depending upon the grades and the condition of the track. The mules are kept in the mine all the time in a specially prepared stable. The stable is ventilated through a special entry or it is situated along the main entry near the shaft. Thus the air from the stables does not pass through the mine. For ventilation [inserted]of a mine[/inserted] air is forced through a special shaft called the air shaft. There are two ways in which this may be accomplished. First, By drawing the air from the