James St. John: Yellowstone Lake's West Thumb Caldera (late Middle Pleistocene) (view from Lower Group of West Thumb Geyser Basin, Yellowstone, Wyoming, USA) 1
James St. John: Yellowstone Lake's West Thumb Caldera (late Middle Pleistocene) (view from Lower Group of West Thumb Geyser Basin, Yellowstone, Wyoming, USA) 2
James St. John: Yellowstone Lake's West Thumb Caldera (late Middle Pleistocene) (view from Lower Group of West Thumb Geyser Basin, Yellowstone, Wyoming, USA) 3
James St. John: Yellowstone Lake (view from Steamboat Point, Yellowstone, Wyoming, USA) 1
James St. John: Yellowstone Lake (view from Steamboat Point, Yellowstone, Wyoming, USA) 2
James St. John: Shoreline of Mary Bay (Yellowstone Lake, Wyoming, USA) 1
James St. John: Shoreline of Mary Bay (Yellowstone Lake, Wyoming, USA) 2
James St. John: Shoreline of Mary Bay (Yellowstone Lake, Wyoming, USA) 3
James St. John: Shoreline of Mary Bay (Yellowstone Lake, Wyoming, USA) 4
James St. John: Shoreline of Mary Bay (Yellowstone Lake, Wyoming, USA) 5
James St. John: Shoreline of Mary Bay (Yellowstone Lake, Wyoming, USA) 6
James St. John: Yellowstone Lake (view from East Entrance Road) (Yellowstone, Wyoming, USA) 1
James St. John: Yellowstone Lake (view from East Entrance Road) (Yellowstone, Wyoming, USA) 2
James St. John: Yellowstone Lake (view from East Entrance Road) (Yellowstone, Wyoming, USA) 3
James St. John: Yellowstone Lake (view from East Entrance Road) (Yellowstone, Wyoming, USA) 4