Hardwood Requirements of the Illinois Coal Mining Industry
Hardwood Requirements of the Illinois Coal Mining Industry
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In our eReader you can find the full English version of the book. Read Hardwood Requirements of the Illinois Coal Mining Industry Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Hardwood Requirements of the Illinois Coal Mining Industry
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Or 8. 3 percent (Table 8) were treated. None of the other products were treated. About 2, 725, 270 bd. Ft. (80 percent) of the treated materials were purchased by under- ground mines. Of the total volume of treated products, 98. 2 percent was in the form of crossties; 1. 6 percent, lumber; and 0. 2 percent, lagging. The mine operators spent an estimated $284, 780 for treated hardwood products.
Table 8 shows that 86. 9 percent of the wood used by Class 4 strip mines was treated and that this cla...ss used 1% times as much treated wood as all other classes of strip mines combined. The reason is that Class 4 sample mines used an abnormally large supply of treated ties for permanent trackage that was installed in 1948. This abnormality is reflected in the percentage of treated wood used by all strip mines. However, the percentage of treated wood used by both underground and strip mines (8. 3 percent) is little affected. It would have been decreased by only 1 percentage point even if the Class 4 mines had used no treated wood at all.
What to read after Hardwood Requirements of the Illinois Coal Mining Industry?
You can find similar books in the "Read Also" column, or choose other free books by C S Charles S Walters to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Or 8. 3 percent (Table 8) were treated. None of the other products were treated. About 2, 725, 270 bd. Ft. (80 percent) of the treated materials were purchased by under- ground mines. Of the total volume of treated products, 98. 2 percent was in the form of crossties; 1. 6 percent, lumber; and 0. 2 percent, lagging. The mine operators spent an estimated $284, 780 for treated hardwood products.
Table 8 shows that 86. 9 percent of the wood used by Class 4 strip mines was treated and that this cla...ss used 1% times as much treated wood as all other classes of strip mines combined. The reason is that Class 4 sample mines used an abnormally large supply of treated ties for permanent trackage that was installed in 1948. This abnormality is reflected in the percentage of treated wood used by all strip mines. However, the percentage of treated wood used by both underground and strip mines (8. 3 percent) is little affected. It would have been decreased by only 1 percentage point even if the Class 4 mines had used no treated wood at all.
What to read after Hardwood Requirements of the Illinois Coal Mining Industry?
You can find similar books in the "Read Also" column, or choose other free books by C S Charles S Walters to read onlineMoreLess
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