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Grant's Canal was a military project to construct a canal through a bend in the Mississippi River opposite Vicksburg, Mississippi, during the American Civil War. Control of Vicksburg and the Mississippi was considered crucial by both the Union and the Confederacy. In June 1862, Union officer Thomas Williams was sent to De Soto Point with his men to dig a canal to bypass the strong Confederate defenses around Vicksburg. Disease and falling river levels prevented completion, and the project was abandoned until January 1863, when Ulysses S. Grant took an interest. The upstream entrance of the canal was moved, but heavy rains and flooding interfered with the project. Work was abandoned in March, and Grant eventually used other methods to capture Vicksburg. In 1876, the Mississippi changed course, cutting across De Soto Point near the route of the old canal and isolating Vicksburg from the river. The city's river access has since been restored. Only a small section of the canal survives. (Full article...)