AMS-Online Issue 03/2013 by AMS Online -
The Group is a German manufacturer established in 1949 by Hans , headquartered in Biberach an der Riss, Baden-Württemberg. The Group's holding company is -International AG in Bulle, Switzerland, which is entirely owned by members of the family. Current-generation family ownership is held by Willi and Isolde , listed among the List of .The Belle Ayr mine is a coal mine located 18 miles southeast of Gillette, Wyoming in the United States 1 in the coal-rich Powder River Basin. The mine is an open pit, "truck and shovel", mine producing a low-sulfur, sub-bituminous coal from the Wyodak-Anderson seam that is .