It’s been two years since the last mines in North Rhine-Westphalia have been closed. On 21st December 2018 RAG miner handed over the last coal from the Prosper-Haniel mine in Bottrop/Germany, to Federal President Frank-Walter Steinmeier. Today RAG Aktiengesellschaft, Essen/Germany, has met all conditions to finally bid farewell to the underground world (Figure 1). “All of this in difficult times – ...
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