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Bergbau

An Experimental and Practical Examination of the Circumstances Which Determine the Capacity of the Blast Furnace, the Temperature of the Air, and the..

Its Properties, Analysis, Classification, Geology, Extraction, Uses and Distribution

Wanderings of a South African Prospector in Search of Copper, Gold, Emeralds, and Diamonds

A Standard Handbook Of The Mines And Mining Companies Of America's Greatest Gold Comp, And Other Mining Camps Of Colorado, U.s.a

Including a Consideration of Electric Shovels and Other Power Excavators in Open-pit Mining

Successor to the Mines Handbook and the Copper Handbook ... Describing the Non-Ferrous Metal Mining Companies in the Western Hemisphere