Practical Mining and Assaying (Classic Reprint)

Gas Poisoning in Mining and Other Industries (Classic Reprint)

Phylloxera-Resistant Stocks (Classic Reprint), Fre

The New General and Mining Telegraph Code (Classic Reprint)

A Textbook of Fire Assaying, Edward Bugbee, 1981, Softcover

Gas Poisoning in Mining and Other Industries (Classic Reprint)

GoldMining and Assaying Classic Reprint, John Arth

Pumps and Pumping Machinery (Classic Reprint), Fre