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When this coal is put into the fire, it crackles, and separates into laminae, as the channel coal does into irregular pieces, burns for some time with a heavy flame, becomes red-hot, and gradually consumes to light white ashes.
1873, Great Britain. Foreign Office, Reports from Her Majesty's Consuls on the Manufactures, ..., page 1256:
Of channel coal there has been imported into the States from England 17,767 tons, against 27,641 tons in 1871.
1964, James D. Norris, Frontier Iron: The Maramec Iron Works, 1826-1876, page 112:
Between 25,000 and 30,000 bushels of channel coal were mined from three pits in Phelps and Crawford counties and hauled to the Works […]
