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Nevado del Ruiz Nevado Sajama Nevada Nevada (lớp thiết giáp hạm) Nevada, Ohio Nevada, Iowa Nevada, Texas Nevada holmgrenii Nevadasilus blantoni Nevada State Route 375Tài liệu tham khảo
WikiPedia: Nevado del Ruiz http://www.parquesnacionales.dos http://www.volcano.si.edu/volcano.cfm?vn=351020 http://horizon.documentation.ird.fr/exl-doc/pleins... http://www.PeakList.org/WWlists/ultras/colombia.ht... http://www.rgs.org/NR/rdonlyres/D39032F5-BFC0-4FC5... //tools.wmflabs.org/geohack/geohack.php?language=v... https://www2.sgc.gov.co/ProgramasDeInvestigacion/g... https://web.archive.org/web/20071215032310/http://...