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USA 2012
Yellowstone National Park
Lake Yellowstone
West Thumb Geyser Basin
Group
Lake Yellowstone
West Thumb Geyser Basin
Group
Mud Volcano Area
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or click the thumbnails for the large photos
Lake Yellowstone
Thumb Paintpots
West Thumb Geyser Basin
Columbia Spring
Lakeside Spring
West Thumb Geyser Basin
Group
Lake Yellowstone
Group
Mud Volcano Area
© 2012 Dirk S. Grossmann