A person in the business or occupation of producing or distributingcoal (any of several types ofcarbonfuel).
A person who produces (e.g., digs, mines, gathers) or sellscoal (thefossil fuel type), or transports it from underground, from the soil, or from a seashore.
2021 December 1, Nigel Harris, “St Pancras and King's Cross: 1947”, inRAIL, number945, page42:
By 1830, more than two million tons of coal a year, principally from the North East, arrived in London by coastalcollier, and that figure reached three million tons by the 1840s.
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