Video Date: 
Thursday, September 8, 2016
West Thumb thermal features 1
Video Date: 
Thursday, September 8, 2016
West Thumb thermal features 2
Video Date: 
Thursday, September 8, 2016
West Thumb thermal features 3
Video Date: 
Thursday, September 8, 2016
West Thumb thermal features 4
Pools of West Thumb Geyser Basin.
Perforated Pool.
Rings of sulfur affected soil around the pool.
Thermal Pool.
Another Thermal Pool.
Bluebell Pool.
West Thumb and Absaroka Range.
Fishing Cone.
Black Pool.
Another angle on Black Pool.
Abyss Pool.
Denis LeBlanc
Photo Date: 
05/31/2017
West Thumb Geyser Basin.
Denis LeBlanc
Photo Date: 
05/31/2017
Black Pool in West Thumb Geyser Basin.
Denis LeBlanc
Photo Date: 
05/31/2017
Sapphire Pool in West Thumb Geyser Basin.