Home / Pictures by subjects / Nature / Geology / Volcanic Landforms / Thermal Pools / yell0510
 		previous image 21 / 23 next image

Travertine formations in Upper geyser basin. Yellowstone National Park, Wyoming, USA.

Travertine formations in Upper geyser basin. Yellowstone National Park, Wyoming, USA. Up to photos of Thermal PoolsThermal Pools previous photo 21 / 23 next photo