Elements of geology, or, The Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments elementsofgeolog00lyel Year: 1868 502 APPALACHIAN COAL STRATA. [Ch. XXV. This coal-formation, before its original limits were reduced by denu- dation, must have measured 900 miles in length, and in some places more than 200 miles in breadth. By again referring to the section (fig. 552, p. 497), it will be seen that the strata of coal are horizontal to the westward of the mountains in the region d e, and become more and more inclined and folded as
Elements of geology, or, The Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments elementsofgeolog00lyel Year: 1868 502 APPALACHIAN COAL STRATA. [Ch. XXV. This coal-formation, before its original limits were reduced by denu- dation, must have measured 900 miles in length, and in some places more than 200 miles in breadth. By again referring to the section (fig. 552, p. 497), it will be seen that the strata of coal are horizontal to the westward of the mountains in the region d e, and become more and more inclined and folded as we proceed eastward. Now it is
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