Above a sea of clouds on Mt. St. Helens Summit. Photo by E.H. Pearson. Side note: I remember riding my tricycle, when an ash cloud on May 18, 1980 turned day to night. “The deadliest and most economically destructive volcanic event in the history of the United States.”

Above a sea of clouds on Mt. St. Helens Summit. Photo by E.H. Pearson. Side note: I remember riding my tricycle, when an ash cloud on May 18, 1980 turned day to night. “The deadliest and most economically destructive volcanic event in the history of the United States.”

Cover and excerpt from Sierra Club’s Belaying the Leader, by Richard M. Leonard, circa. 1947

Eric Pearson’s climbing partner with team of horses on Mt. Adams, circ. 1938. Photo: E.H. Pearson

Eric Pearson’s climbing partner with team of horses on Mt. Adams, circ. 1938. Photo: E.H. Pearson

Little Tahoma, Mt. Rainer National Park. Photo: E.H. Pearson

Little Tahoma, Mt. Rainer National Park. Photo: E.H. Pearson

Selected images from a nineteen page accordion style postcard booklet purchased by Erik A. Pearson in 1905, upon arriving in the Pacific Northwest.

View from summit of Table Mountain, 1930. Photo: Eric H. Pearson

View from summit of Table Mountain, 1930. Photo: Eric H. Pearson

Climber ascending Pinnacle Peak near Mt. Rainer National Park. Photo: Eric H. Pearson

Climber ascending Pinnacle Peak near Mt. Rainer National Park. Photo: Eric H. Pearson