Ergebnisse zu
Bergbau

Their Origin, Value, and Sources of Supply

In Four Volumes & Index

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

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

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

No.175

A Practical Treatise on Nickeling, Coppering, Gilding, Silvering, the Refining of Meta