Various Mining

A History Of Welsh Industry - A Collection Of Historical Articles On Mining, Copper Smelting, Fisheries And Shipping In Wales

Mine Gases And Ventilation; Textbook For Students Of Mining, Mining Engineers And Candidates Preparing For Mining Examinations Designed For Working Out The Various Problems That Arise In The Practice Of Coal Mining

Reports On The Property Of The River Du Loup Gold Mining Co. [Microform]: Situated On Various Tributaries Of The Chaudiere River, Canada East