ocr: Earliest World. 100,000 B.C.- CHERT (silica) Nazlet Sabaha Garb, Egypt. Deepest World! 11,749 ft-GOLD, Western Deep Levels, Carletonville, South Africa. Coal Largest (US). 27. 9 million short tons per annum, ARCO coal Co.'s Black Thunder Mine in Wright, WY. Oldest (US)2. C. 1750at James River coalfieldnear Richmond, VA. This site is now abandoned. Deepest. 6,700ft, (exploratory shaft).. Donbas field, Ukr raine. (open cast, lignite) : 1,066 ft, nearBergheim, Germany. Copper Deepest (open pit). 2,625 ft, Bingham Canyon, near Salt Lake City, UT. Longest. 994 miles, Division EI Teniente, Codelco, ...
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