The Medals of Creation, Volumes 1 and 2 First Lessons in Geology and the Study of Organic Remains
Chapter V.--On Peat-wood, Lignite, and Coal, 69. Submerged Forests;
Peat, 70. Lignite, Brown-coal, Cannel-coal, 71. Bovey-coal, 72. Jet, 72. Wealden Coal, 73. Coal, 76. Stratification of a Coal-field, 80. Origin and Nature of Coal, 82.