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:Igneous and Metamorphic Petrology:Volcanology, Geoscience:Geology:Structural Geology, Geophysics
Resource Type: Scientific Resources:Overview/Reference Work
Topics: Solid Earth:Structural Geology, Petrology:Volcanology, Solid Earth
Focus on Yellowstone: Volcanism, Seismicity, Deformation, geophysics, Surficial geology and hydrology