On the mining of coal : working methods and safety measures of the 1870s /
Hunt, Robert,1807-1887.
Pulborough : Dragonwheel,
2002.
Originally published in Ure's dictionary of arts, manufactures, and mines, 7th ed. London : Longmans, Green, 1878 (v. 2 & 3) and 1979 (v. 4).
Coal mines and mining
Coal mines and mining