Creation of Concordia and Amalia coal mines (1801, 1841) read more Concordia coal mine’s developement and splendour period, XIX/XX c. (1872) read more Maciej Shaft, 1922 – its construction and importance at Concordia (1922) read more Concordia and Ludwik-Concordia until 1973 (1926 – 1973) read more Within Pstrowski mine (1973-1997) read more Transformation (1992 – now) read more
