However the coastline at this point is interrupted by Moricambe Bay , and any additional towers are purely conjectural .
These towers were positioned approximately one - third and two - thirds of a Roman mile to the west of the Milefortlet .
The coastline at this point is interrupted by Moricambe Bay , and any additional towers are purely conjectural .
These towers were positioned approximately one - third and two - thirds of a Roman mile to the west of the Milefortlet .