On October 21, 1966, the collapse of a colliery spoil tip in the village of Aberfan, Wales, collapsed, and killed 116 children and 28 adults. : r/CatastrophicFailure
Not in the public interest to inform locations of dangerous coal tips that remain a legacy left by the National Coal Board in our valleys - AberdareOnline
Remembering the Aberfan disaster - 45 years ago today - The Landslide Blog - AGU Blogosphere