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WikiPedia: Núi_Obama http://www.huffingtonpost.com/2009/08/04/mount-oba... http://events.nytimes.com/2009/02/15/travel/15hour... http://www.peakbagger.com/peak.aspx?pid=8255 http://www.nima.mil/gns/html/index.html http://www.summitpost.org/mount-obama-once-boggy-p... //tools.wmflabs.org/geohack/geohack.php?language=v... https://web.archive.org/web/20031008130923/http://...