National Geographic : 1922 Jan
THE NATIONAL GEOGRAPHIC MAGAZINE Drawn by James M. Darley A MAP OF THE BERMUDA ISLANDS The outline sketch shows the relation of the archipelago to the Atlantic seaboard of the United States-6oo miles from Cape Hatteras and 700 miles from Charleston and New York. The insert map shows the coral reefs which border the fishhook-shaped group of islands on the north, west, and south (see text, pages I, 2, and 3). They are about 8oo miles from the nearest of the West Indies; they are nearly 300 miles from the southern or southeastern edge of that river of warm water, 100 fathoms deep, flowing over an ocean depth of 2,500 fathoms, from the Gulf of Mexico to New Brunswick, Nova Scotia, and beyond to European shores, which we call the Gulf Stream. They are irregular hills and ridges of comminuted shells, reaching in some places to a height of 250 feet, drifted and deposited by the wind on the top of a mountainous column of volcanic rock ris ing from the floor of the sea three miles below. This peak is a solitary one in all that part of the Atlantic Ocean. It has been covered by this aeolian limestone and a thinner plaster of coral rock. After the expedition of H. M. S.