The evacuation of the camps fell into distinct stages.
German Plan A
29 March – 1 April, Walk to Mühlhausen and then by train to Bavaria.
German Plan B
1 April – 3 April, Walk to Ebeleben and then by train to Bavaria. Oflag IX A/H liberated.
4 April – 11 April, finding a secure base in the Harz to resupply
Lorries to a train
11 April – 12 April, at last a chance to get Oflag IX A/Z to a railhead and then to Bavaria
The Americans arrive
13 April, Oflag IX A/Z liberated