Edward A. Martin

Edward A. Martin
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CHAPTER I. THE ORIGIN OF COAL AND THE PLANTS OF WHICH IT IS COMPOSED. From the homely scuttle of coal at the side of the hearth to the gorgeously verdant vegetation of a forest of mammoth trees, might have appeared a somewhat far cry in the eyes of those who lived some fifty years ago. But there are few now who do not know what was the origin of the coal which they use so freely, and which in obedience... more...