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
Ocean Deep happy that "Ocean Deep" is very popular in Southeast Asia.” "Ocean Deep" first appeared on a single as the B-side of the UK release of "Baby You're Dynamite" in March 1984 (the third single from Richard's album "Silver"). During the single's 6 week run on UK Singles Chart (peaking at no 27), both fans and several disc-jockeys who played the B-side instead of the A-side, mounted enough pressure to eventually cause EMI Records to release "Ocean Deep" as the A-side.<ref name="Baby You're Dynamite / Ocean Deep A-side flip"></ref> A new picture cover was created for the single, but the release