Verskil tussen weergawes van "Novarupta"

5 grepe bygevoeg ,  1 jaar gelede
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Etiket: 2017-bronwysiging
Etiket: 2017-bronwysiging
== Eksterne skakels ==
;Amptelike webtuistes
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* [https://www.nps.gov/katm/learn/nature/valley-of-ten-thousand-smokes.htm ''National Park Service (NPS) - Katmai National Park & Preserve, Alaska: Valley of Ten Thousand Smokes and the 1912 Novarupta-Katmai Eruption'']