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7by P., R. E., Sverdrup, Otto, Hearn, Ethel HarrietGet access
Published in Bulletin of the American Geographical Society (1904)
Article in Journal/Newspaper -
8by P., R. E., Rymill, John, Stephenson, A., Mill, Hugh RobertGet access
Published in The Geographical Journal (1939)
Article in Journal/Newspaper