What role did David A. Johnston play during the 1980 eruption?
Why is Mount St. Helens considered the most active volcano in the lower 48?
PORTLAND, Ore. (KATU) — 46 years ago today, Mount St. Helens erupted…
What role did David A. Johnston play during the 1980 eruption?
Why is Mount St. Helens considered the most active volcano in the lower 48?
PORTLAND, Ore. (KATU) — 46 years ago today, Mount St. Helens erupted…