Obsidian Creek, nr Mammoth, Yellowstone
Obsidian Creek, nr Mammoth, Yellowstone
Sheepeater Cliffs, Yellowstone NP
Sheepeater Cliffs, Yellowstone NP
Sheepeater Cliffs, Yellowstone NP
Sheepeater Cliffs, Yellowstone NP
Roaring Mountain, Yellowstone NP
Ledge Geyser, Norris Basin, Yellowstone
Ledge Geyser, Norris Basin, Yellowstone
Pinwheel Geyser, Norris Basin, Yellowstone NP
Whirligig Geyser, Norris Basin, Yellowstone NP
Whirligig Geyser, Norris Basin, Yellowstone NP
Whirligig Geyser, Norris Basin, Yellowstone NP
Thermophile Streams, Norris Basin, Yellowstone NP
Norris Basin, Yellowstone NP
Crackling Lake, Norris Basin, Yellowstone
Colloidal Pools, Norris Basin, Yellowstone
Norris Basin, Yellowstone NP
Porcelain Basin, Norris, Yellowstone NP
Porcelain Basin, Norris, Yellowstone NP
Porcelain Basin, Norris, Yellowstone NP
Porcelain Basin, Norris, Yellowstone NP
Porcelain Basin, Norris, Yellowstone NP
Emerald Spring, Norris Basin, Yellowstone NP
Steamboat Geyser, Norris Basin, Yellowstone
Pearl Geyser active, Norris Basin, Yellowstone
Pearl Geyser dormant, Norris Basin, Yellowstone
