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. Recording their state at a particular time in history. 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.