Economy of Devon (chewing gum) and HMNB Devonport (the largest naval base in western Europe) are in Plymouth. Torquay was home to Beverage Brands, the producers of WKD Original Vodka. Britannia Royal Naval College is at Dartmouth. Mining for tin and copper was carried on in Devon from ancient times until the 1930s: see Dartmoor tin-mining. Agriculture has been an important industry in South West England since the 19th century: approximately 80% of land in the South West of England is in agricultural use (19.6% of England's total). In the later 19th and early 20th centuries there were a number of potteries in
Kingston Royal Naval Dockyard a collection of artifacts and records relating to Kingston Royal Naval Dockyard which once occupied Point Frederick. A model by master modeler, Louis Roosen, depicting HMS St. Lawrence (1814), (mounting 102 guns) the only 1st Rate Royal Navy Ship-of-the-Line to sail on Lake Ontario during the War of 1812, was presented to the Royal Military College of Canada Commandant, Brigadier-General Tom Lawson on 22 April 2008. The model is approx 1.4m (4 ½ ") long and took over 4000 hours to complete. The following ships were built and launched at the dockyard: Kingston Royal Naval Dockyard The Kingston Royal Naval