How Lake Bonneville became the Great Salt Lake

A salt evaporation pond and exposed lakebed are pictured on the east side of Promontory Point in the Great Salt Lake.

A salt evaporation pond and uncovered lakebed are pictured on the east aspect of Promontory Level within the Nice Salt Lake on Thursday, Aug. 4, 2022. The Nice Salt Lake is at risk of disappearing.

Kristin Murphy, Deseret Information

The Nice Salt Lake, or “America’s Lifeless Sea,” has reached alarmingly low ranges. Utah Sen. Mitt Romney tweeted that he's collaborating with federal and state officers to pour sources into the lake. The lake has shrunk significantly through the years.

This lake has a wealthy and important historical past, nevertheless it was known as one thing else: Lake Bonneville. As efforts have been taken to save lots of the lake, some social media advocates have reminded the general public of the lake’s wealthy historical past and even created merchandise to focus on this.

Right here’s a short overview of the historical past of Lake Bonneville and the Nice Salt Lake.

The Nice Salt Lake is the biggest inland salt lake within the Western Hemisphere. In line with Encyclopedia Britannica, the lake is the biggest remnant of the prehistoric physique of water Lake Bonneville. Different remnants of Lake Bonneville embrace Bear Lake and Utah Lake, in addition to Sevier Lake and the Nice Salt Lake Desert.

Lake Bonneville was an historic lake that lined an enormous 20,000 sq. miles, largely in Utah but in addition a part of Nevada and Idaho. Fashioned within the Pleistocene Epoch, mineral salts turned trapped on this physique of water as a result of evaporation was the one manner that water might escape.

In line with geology.utah.gov, what was as soon as the lake’s islands at the moment are lots of the mountain ranges present in western Utah. The water got here from rivers, streams, melting glaciers and rain. Fish populated this prehistoric lake, however buffalo, bighorn sheep, musk oxen and mammoths got here as much as the shores.

This lake was thriving till it had a catastrophic flood.

The Utah Geological Survery specialists mentioned that roughly 16,800 years in the past, the lake rose to a excessive elevation that brought about a large flood. After 600 years, the lake stabilized and finally, the Provo shoreline was fashioned, however the lake by no means reached its large dimension once more.

The flood brought about the Nice Basin to change into drier and drier, which led to the lake turning into smaller and smaller. This course of led to the emergence of the Nice Salt Lake.

Though Spanish missionaries discovered of the lake’s existence from Indigenous folks in 1776, they by no means noticed the lake. “The primary white particular person identified to have visited the lake was Jim Bridger in 1825,” in keeping with the Utah Geological Survey. “Different fur trappers, comparable to Etienne Provost, might have crushed Bridger to its shores, however there is no such thing as a proof of this. The primary scientific examination of the lake was undertaken in 1843 by John C. Fremont; this expedition included the legendary Equipment Carson.”

In line with Wasatch Journal, Indigenous folks have lived across the lake because the Archaic interval. Darren Parry, former chairman of the Northwestern Band of the Shoshone Nation, has spoken concerning the significance of this lake to the Shoshone folks.

The shrinking of the lake has led to Utah going through “an environmental nuclear bomb” as The New York Instances put it.

The Nice Salt Lake is an iconic a part of Utah, however sources are wanted to save lots of the lake. The Deseret Information reported, “The Nice Salt Lake Restoration Act handed within the U.S. Senate and would offer $10 million in funding to check the Nice Salt Lake’s issues. Moore’s Saline Lakes within the Nice Basin invoice handed the Home.”

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