The fort and its army surrendered to Brig. Gen. Ulysses S. Grant on February 16, 1862, but two days later Johnson was able to walk unimpeded out through the porous Union Army lines and escaped capture.
Fortet og dets hær overgav sig til generalmajor Ulysses S. Grant den 16. februar 1862, men Johnson kunne gå uhindret ud gennem de hullede Unionslinier og undgik tilfangetagelse.