How a 14-inch Hole Created a 1,300 Foot Deep Saltwater Lake

Lake Peigneur is located in Louisiana near the Gulf of Mexico. Before 1980, it was an approximately 10-foot deep fresh water lake with an island in the middle. Next to it, and partially under it, Diamond Crystal Salt Company maintained a salt mine, with salt being mined near the lake since 1919. » 6/05/14 5:20pm 6/05/14 5:20pm