The Move

General William Farrar "Baldy" Smith's movement with his army (two veteran 18th Corps Divisions,
General August V. Kautz's cavalry division and one infantry division commanded by Brig. Gen.
Hinks of untested black troops from Bermuda Hundred) with orders from Lt. Gen. U. S. Grant to breach
 the famous "Dimmock Line" of fortifications, take the city of Petersburg, and then sever the
supply lines supporting the city of  Richmond and the Confederate Army of Northern Virginia.