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
Royal Swedish Naval Staff College Staff College (established 1939). The Royal Swedish Naval Staff College was located at the following addresses in Stockholm: Heads of the Royal Swedish Naval Staff College: Royal Swedish Naval Staff College Royal Swedish Naval Staff College (, KSHS) was a Swedish Navy training establishment between 1898 and 1961, providing courses for naval officers. It was the home of the Swedish Navy's staff college, which provided advanced training for officers. It was located within the Stockholm garrison in Stockholm, Sweden. The Royal Swedish Naval Staff College was established by regulations on 11 March 1898. According to regulations and teaching charters (23