Crested Pool

Crested Pool is a hot spring in the Upper Geyser Basin in Yellowstone National Park. The spring is 42 feet (12.8 m) deep. It is named for the "crest" which surrounds the pool. Although it is considered a spring, Crested Pool sometimes erupts like a geyser.

• http://en.wikipedia.org/wiki/Crested Pool
• Page 46 - Whittlesey, L. H., 2012, Death in Yellowstone: Accidents and Foolhardiness in the First National Park: Roberts Rinehart, 446p.