Magma Erupting volcano from The American journal of science. Cape Horn from Journal of researches into the natural history and geology of the countries visited during the voyage round the world of H.M.S. 'Beagle'. Extinct volcanoes of Auvergne from Volcanoes and earthquakes. Barren Island from Volcanoes and earthquakes. Mount Hecla from Volcanoes and earthquakes. Stromboli from Volcanoes and earthquakes.
Cape Horn from Journal of researches into the natural history and geology of the countries visited during the voyage round the world of H.M.S. 'Beagle'.
