The 'Mammoth,' a Baltimore schooner of nearly 400 tons, was seventeen days off Cape Clear, the southernmost point of Ireland.
"American Merchant Ships and Sailors"
Willis J. Abbot
This is well exemplified in the case of Addoo, the southernmost atoll in the group, for although only nine miles in its longest diameter, it has a depth of thirty-nine fathoms, whereas all the other small atolls have comparatively shallow lagoons; I can assign no adequate cause for this difference in depth.
"Coral-Reefs"
Darwin, Charles
Sapao, located about a day and a half to the south, makes excellent metal blades, but they seldom reach the Bontoc culture area, although blades of inferior production from Sapao are found in Ambawan, the southernmost pueblo of the area.
"The Bontoc Igorot"
Albert Ernest Jenks