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57by Holbrook, W.Subjects: “...SeismicNavigationShotTime...”
Published 2015
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58by United States. Defense Mapping Agency. Hydrographic/Topographic Center.Subjects: “...Aids to navigation...”
Published 1983
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59“...According to a famous hypothesis, Viking sailors could navigate along the latitude between Norway...”
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60“...According to a famous hypothesis, Viking sailors could navigate along the latitude between Norway...”
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Article in Journal/Newspaper