The Independent on MSN4mon
Yellowstone tourists blamed for ruining pristine blue thermal poolMorning Glory Pool, located in the Yellowstone Upper Geyser ... thrive in the pool as a result of the cooler water, slowly ...
The geothermal pool was named in the 1880s after the purplish-blue ... of Yellowstone's hot springs have a multicolored appearance but this is primarily because the pools tend to be cooler at ...
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