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
Operational Guidelines for the Implementation of the World Heritage Convention based at the World Heritage Centre in Paris, the Advisory Bodies, site managers, stakeholders and partners all active in the protection of World Heritage properties are also invited to make usage of the Operational Guidelines. The first chapter of the Operational Guidelines aims to facilitate the implementation of the 1972 World Heritage Convention. The major goals and procedure of the Convention are given reflecting certain articles of the Convention in a more detailed explanation. The main bodies of the 1972 Convention i.e. the General Assembly, the World Heritage Committee, the Secretariat, the Advisory Bodies IUCN, ICOMOS, ICCROM are presented in