Disambiguation evidence for Grímsvötn volcano via surface form

"Grímsvötn magma chamber"

Triples (1)

Triples where some other subject referred to this entity as "Grímsvötn magma chamber".

Grímsvötn subglacial lake → locatedAbove →
"Grímsvötn magma chamber"
↳ resolves to Grímsvötn volcano
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