Its author relates that when he checked the sea charts for the isolated island of Foula, one of the Shetland Islands north of Scotland, the charts indicated “all around the island WKS (wrecks), RKS (rocks), LDGS (ledges), and OBS (obstructions). ”
აღნიშვნები „აფრთხილებდნენ მოსალოდნელ მეზღვაურებს, რომ არ მიახლოებოდნენ კუნძულს.