Giant Springs: Montana’s Hidden Ocean Beneath Our Feet

Clear groundwater emerging at Giant Springs in Great Falls, Montana

What One of America’s Largest Springs Reveals About Earth’s Vast Groundwater Resources Every day, 156 million gallons of crystal-clear Giant Springs groundwater emerge naturally in Great Falls, Montana. Not from a river. Not from a reservoir. Not from a dam. It rises from deep beneath the Earth’s surface—twenty-four hours a day, seven days a week,…

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