Gettysburg's Southern Front

On June 14, 1863, US Major General John Adams Dix received the following directive from General-in-Chief Henry Halleck: “All your available force should be concentrated to threaten Richmond, by seizing and destroying their railroad bridges over the South and North Anna Rivers, and do them all the damage possible.” With General Robert E. Lee and the Army of Northern Virginia marching toward Gettysburg and only a limited Confederate force guarding Richmond, Halleck sensed a rare opportunity for th