Nature and Science: Natural Features and Ecosystems
http://www.nps.gov/yell/naturescience/geohighlights.htm

Yellowstone National Park


This Yellowstone National Park website gives a brief overview of how geologic characteristics form the foundation of the park's ecosystem. Yellowstone has a unique interplay between volcanic, hydrothermal, and glacial processes that exert control on the distribution of flora and fauna. Topics include summaries on geologic formations, glaciation, geothermal features, and volcanism.

This resource is referenced here:
Subject: Geoscience:Geology:Structural Geology, Geoscience:Atmospheric Science:Climatology
Resource Type: Scientific Resources:Overview/Reference Work
Topics: Climate, Solid Earth:Structural Geology, Earth surface, Solid Earth
Focus on Yellowstone: Climate history and glaciation, Volcanism, Geothermal processes and features, Bedrock geology