Key Minerals The Copperbelt area (estimated to contain 55.5m tonnes of copper and 3.6m tonnes of cobalt), which runs through Katanga contains 34% of the world's cobalt resources and 10% of the world's copper resources, and during the 1960s and 1970s the DRC was the world's leading producer of these metals.
Welcome to the Bureau of Land Management(BLM), General Land Office (GLO) Records Automation web site. We provide live access to Federal land conveyance records for the Public Land States, including image access to more than five million Federal land title records issued between 1788 and the present.
The Romance of Steel A History of the Steel Industry by Herbert Newton Casson THE BIRTH OF THE BESSEMER PROCESS. On that bleak November day when Andrew Carnegie was born in a Scottish cottage, the iron and steel makers of America had no more thought of millions than of castles in Spain.