American practical navigator: an epitome of navigation and nautical astronomy (1914)
Bowditch, Nathaniel, 1773-1838, Logan, George Wood, 1868-1915, United States. Navy Dept. Bureau of Equipment · Washington, Govt. Print. Off · leaf 245
HE NOETH ATLANTIC OCEAN. 547. Vessels crossing the Atlantic Ocean between Europe and the ports of theUnited States and British America are liable to encounter icebergs or extensivefields of compact ice, which are carried southward from the Arctic region by theocean currents. It is in the vicinity… … masses of ice appear in the greatest numbers and drift farthest southward. Theaccompanying charts show the changeable area in which icebergs and field ice havebeen reported by mariners in the years 1904 to 1913 in the months of April, May,and June, when they occur in the greatest number.238 ICE AND…
Navigation · Nautical astronomy
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