This is a long-term project more than twenty years to date, mapping the rock edges of actual geographical locations on the North Atlantic Ocean. The Ocean functions as the linking element between the coastlines. Locations include Newfoundland, Labrador, maritime Quebec & Nova Scotia in Canada; Maine in the USA; Ireland; Shetland, Orkney, the Outer Hebrides in Scotland; Cornwall, UK; Brittany, France; the Basque Country Northern Spain.