Oblique aerial view of Blindwells Opencast Site, Tranent, East Lothian, looking from the east-north-east. Working opencast coal site, in coals of the Limestone Coal Formation, showing various stages in the process. The working face is in the foreground; backfilled spoil in the centre - colours of each load derive from different materials, white and pale brown = sandstone, pale and dark grey = siltstone and shale, dark brown = glacial till overburden; black area = coal storage, pale brown areas = restored overburden. Top left is worked area fully restored to agricultural use. Bottom right is undisturbed ground.