This city, which grew from primitive salt works, was established in 1845 and is now the site of one of largest salt plants in the nation. The salt dome under the city is about 1.5 miles across and about 16,000 feet thick; it could supply the world's need for salt for 20,000 years.
A historical marker in the city details the life of Wiley Post, a famous aviator who was born in Grand Saline.
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