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
Aston Webb with the church probably helped the young architect get the job. In London, Webb's best known works include the Queen Victoria Memorial and The Mall approach to, and the principal facade of, Buckingham Palace, which he re-designed in 1913. Webb also designed the Victoria and Albert Museum's main building (designed 1891, opened 1909), the Royal United Services Institute, Whitehall (1893–95), and – as part of The Mall scheme – Admiralty Arch (1908–09). He also designed the Britannia Royal Naval College, Devon, where Royal Naval officers are still trained. He enlarged and sympathetically restored the perpendicular Church of St John Baptist,