Grand Prismatic Spring (vertical)April 30, 2017/in /by Marli Miller geothermal, hydrothermal, thermophile, groundwater https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2017-04-30 20:15:352017-09-25 20:18:25Grand Prismatic Spring (vertical)
