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.
History of Mt. Adams
USGS Volcanoes
USGS Volcanoes - Mount Adams, also known by the Native
Global Volcanism Program
Mount Adams - Hiking in Portland, Oregon and Washington
MSH Previous Eruptive History [USGS]
Active Volcanoes of Washington State
Pahto the Lonely: An interestingly-titled post on Mount Adams, East of St. Helens
Washington's most dangerous volcanoes, mapped
Mount Adams (Washington) - Wikipedia
Mountain Transformed
Mt. St. Helens & Mt. Adams (Casade Range, Washington State…