 As a "Schutzhaftlager" ("protective custody camp"), it held political prisoners, mostly members of the Communist Party, who were forced to work in a nearby quarry.The camp was reopened on 1 October 1939 to house Polish generals and their staffs captured during the German September 1939 offensive.On 15 May 1940 most of them were transferred to Oflag IV-B Koenigstein.