Ohio Mining Journal: Whole no. 21 (1892)

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Front Matter
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Ohio Institute of Mining Engineers
pp. 5-9
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Report of the Secretary and Treasurer
pp. 10-11
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The Coal Seams of Jackson County
pp. 12-17
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The Necessity of Making Breakthroughs Even and Uniform at the Mines
pp. 18-34
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The Original Members of the Institute
pp. 35-39
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The Use of the Prismatic Compass in Mine Surveying
pp. 40-48
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Mining Limestone by Underground Instead of Open Quarry Work
pp. 49-59
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The Chemical Compositions of Certain Ohio and Pennsylvania Coals as Compared with their Evaporative Performance in Locomotive Boilers
pp. 60-68
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Method of Working the Pittsburgh Seam: A Plan of Working to Economically and Safely Remove all the Coal
pp. 69-73
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Split Air Courses vs. Continuous Currents
pp. 74-82
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The Wasteful Methods Being Practiced in Mining Coal in the State
pp. 83-101
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The Stored Power of the World
pp. 102-120
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Poetical Efusion
pp. 121-122
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The Summer Meeting
pp. 123-136
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Coal and Coke: Some Account of the Mining Regions of Western Pennsylvania
pp. 137-155
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List of Members
pp. 156-160
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