• Bochum-Weitmar 1960: Tower of the Zeche Vereinigte Dahlhauser Tiefbau pit in Bochum-Dahlhausen 1964: Concrete tower of pits 4 and 6 in Zeche Sophia-Jacoba in Ratheim...
    4 KB (451 words) - 02:11, 11 October 2022
  • Thumbnail for Emil Kirdorf
    an accountant. Following the Franco-Prussian War, he became director of Zeche Holland [de] in 1871. Two years later, the entrepreneur Friedrich Grillo...
    7 KB (866 words) - 01:34, 22 December 2023
  • Thumbnail for Province of Westphalia
    the Ruhr region near Essen. In Westphalia, the first shaft mine was Zeche Vereinigte Präsident [de] in Bochum, opened in 1841. In 1818, Friedrich Harkort...
    89 KB (10,871 words) - 07:54, 5 June 2024