Volcanic History of the Yellowstone Plateau Volcanic Field
http://volcanoes.usgs.gov/yvo/history.html

U.S. Geological Survey


This U.S. Geological Survey website gives an overview of Yellowstone volcanism. Text, numerous photos, tables, a map, and a volcanic term glossary explain the three major volcanic cycles that created the landscape that we call Yellowstone.

This resource is referenced here:
Subject: Geoscience:Geology:Geophysics, Structural Geology, Igneous and Metamorphic Petrology:Volcanology
Resource Type: Scientific Resources:Overview/Reference Work
Theme: Teach the Earth:Course Topics:Geophysics, Structural Geology, Petrology
Focus on Yellowstone: Volcanism, Seismicity, Deformation, geophysics, Surficial geology and hydrology