Grant's Canal — Wikipedia

Grant's Canal (also known as Williams's Canal) was an incomplete military effort to construct a canal through De Soto Point in Louisiana, across the Mississippi River from Vicksburg, Mississippi. During the American Civil War, the Union Navy attempted to capture the Confederate-held city of Vicksburg in 1862, but were unable to do so with army support. Union Brigadier-General Thomas Williams was sent to De Soto Point with 3,200 men to dig a canal capable of bypassing the strong defenses around Vicksburg. Despite being assisted by locally enslaved people, Williams was unable to finish...