Archaeologists are working at a ships' graveyard known as the Purton Hulks in Gloucestershire to expose and record the remains of a barge.

Laser scanning equipment is being used to capture 3D images of the Kennet-built Harriett.

Eighty ships and barges beached in the 1940s were used to shore up the Sharpness Canal against erosion from tidal flow of the River Severn.

Efforts to save the site for the nation was begun by the Friends of Purton.