Lincolnshire marsh awareness riddle book
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Lincolnshire marsh riddle prize a gold bar

A bar of gold worth £9,000 will be given to the winner of a treasure hunt in Lincolnshire.

People are being asked to solve riddles that will guide them around an important, but little known part of the countryside - called the coastal grazing marshes.

Its part of a project to raise awareness of the area and its significance in the lives of local communities.