Waltrop 1/2
Start of operation: 2003Power (electrical): 2 x 1,358 kW
Site shut down (due to a lack of gas)
1903 - Start of sinking mine shaft 1 and air shaft 2
1904 - Reaching the carbon at 500 m (shaft 1) and at 505 m (air shaft 2)
1907 - Start of regular extraction from shaft 1
1931 - Deeper sinking shaft 1
1954 - Deeper sinking air shaft 2
1960 - Final depth of shaft 1 at 910 m
1965 - Shut-down