Her recent major deployment was nine-months updating Middle East maritime charts
He said the rocks were not marked on any maritime charts
of the area.
The artwork, called Flash@Hebburn, has officially put the South Tyneside town on the map, now it has been included on the official maritime charts
Meanwhile, one harbour master is about to send the UK's hydrographer a list of established navigational names for inclusion on maritime charts
, to preserve them for posterity.
Gary has been studying archives and maritime charts
from the archives of Dundee City Library's local history section and believes he knows within a mile where the treasure is likely to be.