On gold and silver : mines and refining methods of the 1870s /
Hunt, Robert,1807-1887.
Ure, Andrew,1778-1857.Ure's Dictionary of arts, manufactures, and mines, containing a clear exposition of their principles and practice.
Pulborough : Dragonwheel Books,
2002.
First published in Ure's Dictionary of arts, manufactures, and mines, containing a clear exposition of their principles and practice, 7th ed. published by Longmans, Green & Co. London, 1878 (Vols 2-3) and 1879 (vol. 4).
Gold mines and mining.
Silver mines and mining.
Gold
Silver