DescriptionBattle of Messines 1917 mine plan - Spanbroekmolen.jpg
English: Plan of the mine at Spanbroekmolen, part of the mines placed by the tunnelling companies of the Royal Engineers in the Battle of Messines (1917). This drawing is based on the plans published in Roger Lampaert, De Mijnenoorlog in Vlaanderen 1914–1918, Roesbrugge/Belgium (Drukkerij Schoonaert) 1989. Placing this mine was severely obstructed by German counter mining. In February 1917 a German charge damaged the main tunnel, so the British dug a recovery gallery which after 357 metres (1,172 ft) cut into the original tunnel and allowed the Royal Engineers to rescue the mine. A long branch gallery for another mine at Spanbroekmolen was also started, but had to be abandoned in order to rescue the main tunnel.
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