Deep Navigation Colliery now home to many local rugby and football teams. Deep Navigation Colliery Deep Navigation Colliery was a coal mine in South Wales, that operated from 1872 until 1991. Located next to the co-developed village of Treharris in the borough of Merthyr Tydfil, on development it was the deepest coalmine in South Wales Coalfield by some . Producing the highest quality steam coal, it powered both the Cunard passenger steamers RMS "Mauretania" and RMS "Lusitania" in their successful attempts at the Blue Riband prize for the most rapid Atlantic Ocean passage. The mine is also thought to have been one of
Deepest Blue Deepest Blue's only album, "Late September", reached #22 in the UK Albums Chart. The group sold 70,000 albums, earning them a silver disc. After a break to work on alternative projects, Deepest Blue reformed in 2006. They released "Miracle" on Destined Records in 2008. The group split up in 2010. Deepest Blue Deepest Blue were a British electronic music duo comprising Matt Schwartz and Joel Edwards. They are best known for their UK Top 10 hit singles, "Deepest Blue" (2003) and "Give It Away" (2004). Deepest Blue consisted of Joel Edwards and Matt Schwartz. Schwartz had worked with Arthur Baker,