The Eruption of Mt. St. Helens, no. 14
The Eruption of Mt. St. Helens, no. 16
The Eruption of Mt. St. Helens, no. 12
The Eruption of Mt. St. Helens, no. 13
The Eruption of Mt. St. Helens, no. 15
The Eruption of Mt. St. Helens, no. 19
The Eruption of Mt. St. Helens, no. 11