1861 THE MINER'S CHILDREN. Exceptionally Rare Tract for Child Laborers in Appalachian Mines.An exceptionally rare tract telling the story of, and likely produced for, child laborers working in the coal mines of Pennsylvania, Virginia, etc., No copies traced at auction, on the market, and very rare institutionally. Anonymous. The Miner's Children; or, Three Days Under Ground. Philadelphia. American Sunday School Union. 1861. 134pp. A good copy, bound in cloth, generally solid, handled pages with light foxing.