Ordnance Survey

It comes after a spike in the number of young people needing to be saved, according to research by Ordnance Survey.

An Ordnance Survey map from the 19th Century shows the exact location of the burial ground.

She worked from large Ordnance Survey maps and captured photos to plot every point, to enable approaching craft to know they were at the correct part of the beach.

Her bicycle was found by Ordnance Survey workers lying in a field on the Metton to Roughton road an hour after she left home.

The company has recently signed a £5.5m partnership with the UK - funded by the UK Space Agency - to provide satellite data on methane emissions to UK organisations such as Ordnance Survey.