Great Salt Lake's ancient past reveals how quickly fresh water can disappear

PHYSorg
Sep 15, 2026, 3:20 pm279 ptsTop
From a mountainside overlooking Utah's Great Salt Lake, a time traveler turning back the clock 20,000 years would watch a dramatic transformation of the landscape. The shallow, salty lake below would swell into an immense body of fresh water, at one point reaching nearly 1,000 feet (305 meters) deep and…

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