Bright-blue 'potash ponds' shine alongside a dark-green river in Utah — Earth from space

A 2017 astronaut photo shows two sets of solar evaporation ponds alongside the Colorado River. The stripy structures are used to refine potassium chloride, or "potash," which is mined nearby.

  Science/Technology   May 19, 2026   0   12  Add to Reading List
Bright-blue 'potash ponds' shine alongside a dark-green river in Utah — Earth from space
A 2017 astronaut photo shows two sets of solar evaporation ponds alongside the Colorado River. The stripy structures are used to refine potassium chloride, or "potash," which is mined nearby.
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