Created page with "Solfata`Ra <ref name="term_79722" /> <p> A fissure or crevice in the earth which emits sulphurous and other vapours, and in regions where volcanoes have ceased to be active;..."
(Created page with "Solfata`Ra <ref name="term_79722" /> <p> A fissure or crevice in the earth which emits sulphurous and other vapours, and in regions where volcanoes have ceased to be active;...")