North Stack North Stack North Stack (Welsh: Ynys Arw, meaning "rugged island") is a small island situated just off Holy Island on the north-west coast of Anglesey. North Stack can also refer to the headland opposite the island. This is the site of a redundant fog warning station, comprising a number of buildings, including the Trinity House Magazine, built in 1861, where shells for the warning cannon were stored. These buildings now house a bird watching observatory, giving a view of South Stack lighthouse across Gogarth Bay, and the studio of artist Philippa Jacobs. The Precambrian quartzite cliffs of this headland, including
Prince of Wales Island (Alaska) (then a Spanish colony). They reached Sumez Island off of Prince of Wales' west coast. In 1779 a British expedition under Captain James Cook passed Prince of Wales Island. Comte de La Perouse led a French expedition to the area in 1786. Karta Bay is the site of the first salmon saltery in Alaska. Settlers began mining of gold, copper, and other metals on the island in the late 19th century, as European Americans entered the area to exploit the natural resources. Gold production came from underground lode mines exploiting: gold-bearing quartz veins in metamorphic rocks (such as the Gold