By A Mystery Man Writer
Eruptions from Mount Adams began about 520 ka, although scattered basaltic eruptions from the surrounding volcanic field began by about 940 ka.
Mountain Transformed
Climbing the Occasionally Cataclysmic Cascades - Eos
Mount Adams Pacific Northwest Seismic Network
Mt. Adams Wilderness Area
Mount Adams U.S. Geological Survey
Pahto the Lonely: An interestingly-titled post on Mount Adams, East of St. Helens
Eruption History of Mount Adams
Volcanoes Zach Schierl Photography
Global Volcanism Program