 Winfield S. Hancock and Philip H. Sheridan was sent on an expedition threatening Richmond, Virginia, and its railroads, intending to attract Confederate troops away from the Petersburg defensive line, in anticipation of the upcoming Battle of the Crater.The Union infantry and cavalry force was unable to break through the Confederate fortifications at Bailey's Creek and Fussell's Mill and was withdrawn, but it achieved its desired effect of momentarily reducing Confederate strength at Petersburg.Deep Bottom is the colloquial name for an area of the James River in Henrico County southeast of Richmond, Virginia, at a horseshoe-shaped bend in the river known as Jones Neck.