The book The Land We Live in the Boys book of Conservation was written by author Overton Westfeldt Price Here you can read free online of The Land We Live in the Boys book of Conservation book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Land We Live in the Boys book of Conservation a good or bad book?
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The time under ground is spent in the hardest labor that any great body of men have to do. Now we are at the head of the shaft, for the mine we are going to see is what is known as a " shaft " mine. Coal mines ha\e either vertical shafts to reach the coal, or thev tunnel into the coal from the side of a hill, so that cars can be hauled straight out of the ?nine. There is not much to see so far, except a square hole in the ground about ten feet across and lined with timbers, which stretches down...- ward until its outlines are lost in the darkness. To one side Is an engine house, which c\'Identlv operates the eleva- I THE TREASURES UNDERGROUND 145 tor, or what miners call the " cage, " by which men and coal are raised and lowered from the surface to the mine work- ings. Nearer still to the mouth of the mine, but so pro- tected as to be out of range in case of a mine explosion, is a great wheel which looks a good deal like an electric fan, ex- cept that it is fifteen feet across. It is kept whirling night and day to pump fresh air down the shaft.
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