while they were underneath the surface the surfaced collapsed on them.
Gleision Colliery mining accident happened on 2011-09-15.
The total of men who died was 9 - five men were killed by heavy machinery and four by falling rock.
Gold
because there was a weakness in the structure of the cooper tunnel entrance
nothing
Chilean War of Independence happened in 1810.
The Senghenydd mining disaster occurred on October 14, 1913. It was the worst mining accident in British history, resulting in the deaths of 439 miners.
Copper mining and production is the backbone of the Chilean economy. It accounts for one third of the governments revenue.
Copper mining and production is the backbone of the Chilean economy. It accounts for one third of the governments revenue.
On August 5, 2010
the oceanic plate crased into the continental plate.
august 5, 2010