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 Operational Guidelines for the Implementation of the World Heritage Convention The Operational Guidelines for the Implementation of the World Heritage Convention are a series of instructions to signatory nations regarding the proper implementation of the 1972 Convention Concerning the Protection of the World Cultural and Natural Heritage. The guidelines were adopted by the UNESCO World Heritage Committee at its first session and amended at its second session in 1978. The first text of the Operational Guidelines was titled Operational Guidelines for the World Heritage Committee. It dates back to 1977 at the First Session of the World Heritage Committee (27