Grand Prismatic Spring in the Midway Geyser Basin. This spring is the thirdlargest hydrothermal spring in the world, approximately 250 X 300 feet in sizeand about 160 feet deep. The water temperature is 160 F (70 C). The colors onthe edges of the
10/22/2018 11:58:42 AM
Photographer: Dr. David Goodrich
Affiliation: NOAA (ret.)
Date: 2011 June 24
Location: Wyoming, Yellowstone National Park