Gold mines and mining — Audiobooks
Getting Gold: A Gold-Mining Handbook for Practical Men
by J. C. F. (Joseph Colin Francis) Johnson
Hittel on Gold Mines and Mining
by John S. (John Shertzer) Hittell
Aux mines d'or du Klondike du lac Bennett à Dawson City
by Léon Boillot
Getting Gold: A Practical Treatise for Prospectors, Miners and Students
by J. C. F. (Joseph Colin Francis) Johnson