Minerva Terrace, part of Mammoth Hot Springs, Yellowstone, Wyoming, USA.

Minerva Terrace, part of Mammoth Hot Springs, Yellowstone, Wyoming, USA.
Minerva Terrace, part of Mammoth Hot Springs, Yellowstone, Wyoming, USA.
2021
Minerva Terrace part Mammoth Hot Springs Yellowstone Wyoming USA. thermophilic bacteria algae travertine calcite calcium carbonate American USA