The loch gradually returned in the mid 20th century, during the period when Lochore Meadows was a coal mine, and the mineral railway serving the pithead became an embankment surrounded by water. The return of the loch was due to subsidence caused by mining, and the 'new' loch occupies a different site from the original one.
In the mid-20th century, during the period when Lochore Meadows operated as a coal mine, the mineral railway that served the pithead transformed into an embankment with water surrounding it. The loch's reappearance was caused by subsidence due to mining activities, and this new loch is situated in a different area than the original one.