The book The Weathering of Coal Series of 1909 was written by author Samuel Wilson Parr Here you can read free online of The Weathering of Coal Series of 1909 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Weathering of Coal Series of 1909 a good or bad book?
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71 12283 1448 J 405 2. 72 have gone through the various stages from peat to anthracite. In this case the sulphur is almost free from the coal, supposedly by oxidation and leaching. The thickness of the No. 5 coal seam is re- markably uniform in this locality, and the thickness of the outcrop eoal is not different from the thickness of the seam in other places near-by where the coal is unchanged. Thus, no evidence is offered that the seam at this place had suffered any very great shrinkage. The ...coal stored by the Commonwealth Edison Company of Chi- cago was sampled after fifteen months' storage and losses of only about one per cent were found, although the final samples were taken from the surface of the piles. (See analytical results, Table 16. ) The PARK -WHEELER THE WEATHERING OF COAL TABLE 10 WILLIAMSON COUNTY; ILLINOIS, SCREENINGS 31 B. T. U. Dry Coal Referred Decrease Lab. Sample Taken to Actual No. or Unit Ash Sulphur B. T. U. ' Coal B. T. U. per cent Stored in Exposed Bins 1089 Same day as mined 14.
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