Exclusive: Vale eyed dam design changes in 2009 that may have prevented disaster
2019/01/30 10:43:57 @Reuters: World News
Brazilian miner Vale SA identified concerns around its tailings dams in 2009 and studied but did not implement several steps that could have prevented or lessened the damage from last week's deadly disaster, according to a corporate presentation seen by Reuters. [ VIEW FULL COVERAGE @Reuters: World News ]