Deep Navigation Colliery 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 several locally that provided coal to the RMS Titanic;
The Deep End of the Ocean (film) wrenching... Far less effective, however, is the rest of the story, set nine years later, when the boy resurfaces... But if the film was less than satisfying as a big-screen event, it's still worth renting for Pfeiffer, who valiantly portrays the devastating complexities of grief and guilt." Two extremely negative reviews came from Roger Ebert in the "Chicago Sun-Times" and Desson Howe in the "Washington Post". Ebert wrote that "Ulu Grosbard's "The Deep End of the Ocean" is a painfully stolid movie that lumbers past emotional issues like a wrestler in a cafeteria line, putting a little of everything on