Ernst Giebeler oHG, Siegen Add to clipboard 1.2.7 BBA 1 Fonds 1718, 1805-1955 Part of Montanhistoric Documentation Centre Content:General questions of ore mining 1833-1856, 1908-1954 (9)Slate deposits 1718, 1805-1951 (7)Stones and soils 1848-1863, 1896-1947 (7)Barite deposits 1845-1948 (11)Coal deposits 1843, 1859-1954 (26)Ore deposits in the area Saarburg - Trier - ... In: Montanhistoric Documentation Centre >> Mining Archive >> Companies in ore mining