id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
12762	Martin, Edward A. (Edward Alfred)	The Story of a Piece of Coal: What It Is, Whence It Comes, and Whither It Goes			.txt	text/plain	41700	1811	66	of coal which would be thereby formed for use in some future age, would coal-bearing strata consists of numerous species of ferns, the number of immediately beneath the coal seams, but for a long time it did not strike There is a class of deposit found among the coal-beds, which is known as fact that important beds of coal also occur in strata of much more recent In the early days of coal-mining the explosions caused by this gas soon As we have seen, large quantities of coal are formed and petroleum we obtain from coal, whilst candles, oils, dyes, product of distillation of the coal is stored, and from which the gas of coal-gas would commence to be deposited in liquid form, and care has first products are known as _first light oils_, or _crude coal-naphtha_, coal-tar, that portion of the distillate known as the light oils being	./cache/12762.txt	./txt/12762.txt