gravel ballast
51Geology of Tasmania — Tasmania has a varied geological history, with the world s biggest exposure of diabase, or dolerite. Rocks from the Neoproterozoic, Paleozoic and Mesozoic time periods appear. It is one of the few southern hemisphere areas glaciated during the… …
52Tamper — can mean:* A device used for tamping, commonly to prepare ground coffee beans to make espresso. * * A ballast tamper, a machine that tamps track ballast. * In nuclear weapon design, either a shell surrounding the fission core and keeping the… …
53TGV world speed record — The TGV (train à grande vitesse, French for high speed train ) holds a series of world speed records achieved in the context of an active research and development program pursued by SNCF, the French national railway, and its industrial partners.… …
54Karl Johanslussen — ( Lock of Charles John ) is a lock and a sluice, connecting and controlling the flood discharge between Riddarfjärden, the easternmost part of Lake Mälaren, and Saltsjön, the section of the Baltic Sea reaching into central Stockholm, Sweden. The… …
55Meon Valley Railway — [v · d · …
56Great South Wall — The Great South Wall (also sometimes called the South Bull Wall), at the Port of Dublin, extends from Ringsend nearly four miles out into Dublin Bay. It was the world s longest sea wall at the time of its building, remaining one of the longest in …
57Deutsche Bank Building — This article is about the former Deutsche Bank building in New York, damaged by the September 11, 2001 attacks. For the current Deutsche Bank building in New York, see 60 Wall Street. For the Deutsche Bank company headquarters building in… …
58Chisholm, Alberta — …
59Chat (mining) — Chat is a term for fragments of siliceous rock, limestone, and dolomite waste rejected in the lead zinc milling operations that accompanied lead zinc mining in the first half of the 20th century. Historic lead and zinc mining in the Midwestern… …
60East Kent Light Railway — The East Kent Light Railway was part of the Colonel Stephens group of cheaply built rural light railways in England. Holman Fred Stephens was engineer from its inception, subsequently becoming director and manager. The line ran from Shepherdswell …
