Women scale peak, retrieve photos and bag of dad who died 40 years ago
Guillermo Vieiro was 44 when he died in 1985 while descending Argentina's Tupungato lava dome, one of the highest peaks in the Americas.
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The lava dome complex was built within the large open caldera. Regular collapses of the dome complex have resulted in debris avalanches; the resulting deposits cover much of the caldera floor.