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Updated: June 7, 2025
In such a case as this the sledge-traveler is in precisely the same position as a ship or a boat at sea: he can only obtain a knowledge of his whereabouts by observation of the sun or stars, and with the help of these observations he finds his latitude and longitude, but to do this a certain amount of data is required.
And the geographical difference between the work of the northern and the southern sledge-traveler is as great as the climatic, if not greater, for the main part of northern traveling has been and will be done on sea-ice, while the larger part of southern traveling has been and will be done over land surfaces, or what in this respect are their equivalents.
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