• Winter visitors watching geysers erupting

    Yellowstone

    National Park ID,MT,WY

Inside Yellowstone - Mud Volcano Area

 
More Information

Lake Area Natural Highlights - Including the Mud Volcano Area
http://www.nps.gov/yell/planyourvisit/nlake.htm

Yellowstone Geology
http://www.nps.gov/yell/naturescience/geology.htm

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