
Photo 1000
Photograph detail
Natural CO2 emissions from a magma body beneath Mammoth Mountain asphyxiated more than 100 acres of trees near Horseshoe Lake in the early 1990s.

Photo 1000
Natural CO2 emissions from a magma body beneath Mammoth Mountain asphyxiated more than 100 acres of trees near Horseshoe Lake in the early 1990s.