The deepest mine in the world is the Mponeng Gold Mine southwest of Johannesburg in South Africa. The operating depth averages between 2.8km to 3.4km. That would be about 1.7 to 2.1 miles.
Actually, Eight of the worlds’ 10 deepest mines in the world are in South Africa The others are in Ontario, Canada. The South African ones produce gold. The Canadian wones produce nickle (Creighton) or copper and zinc (Kid Creek).
Craftsmen Production Returning To US — The business section of yesterday’s (May 17) The Wall Street Journal had some good news we haven’t seen mentioned in other outlets.
Stanley Black & Decker Inc. is moving its production of Craftsmen wrenches from China to Fort Worth, Texas. It will employ 500 persons to make 10 million wrenches and 50 million sockets annually. Robots and fast forger presses will boost output about 25 percent above the older machines they used in the PRC.