Economy of Devon of the railways in the 19th century, Devon's economy has been heavily reliant on tourism. The county's economy has followed the declining trend of British seaside resorts since the mid 20th century, with some recent revival. This revival has been aided by the designation of much of Devon's countryside and coastline as the Dartmoor and Exmoor national parks, and the Jurassic Coast and Cornwall and West Devon Mining Landscape World Heritage Sites. In 2004 the county's tourist revenue was £1.2 billion. The Met Office is in Exeter as is Connaught plc, and Pennon Group, the water company. The Wrigley Company
East Devon Pebblebed Heaths is mostly Bunter Pebblebeds of Triassic age, though there is some New Red Sandstone and marls of Permian age. Notable breeding bird species that have been recorded on the site include the European nightjar, Eurasian hobby and Dartford warbler. Rare dragonflies include the small red damselfly, the southern damselfly and the downy emerald. Other insects recorded include the bog bush cricket. Annual wildlife surveys are carried with groups such as the Devon Amphibian and Reptile Group (DRAG), the Devon Bat Group, Butterfly Conservation, the Devon Wildlife Trust and the Devon Biodiversity Records Centre helping coordinate the work. East Devon Pebblebed