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
Area de Conservación Guanacaste World Heritage Site marine habitats.. It formally became part of National System of Conservation Areas—SINAC in 1994, and a World Heritage site in 1999. The World Heritage site includes: Area de Conservación Guanacaste World Heritage Site The Area de Conservación Guanacaste is a network of protected areas and a World Heritage site in Guanacaste Province, in northwestern Costa Rica. The area of the national parks combined totals 1470 square kilometers as of 2004. This reflects a long-term process of growth, which started with the establishment of Santa Rosa National Park in 1971. Over several decades, surrounding lands were purchased and nearby national parks