Analysis of information sources in references of the Wikipedia article "Blechhammer" in English language version.
In April 1944 Blechhammer became a satellite camp of Auschwitz, named Arbeitslager Blechhammer, a.k.a. Labor Camp Blechhammer.
Mission #52
the main one referred to as 'E3' in the Stalag labour system was to be found there, though the others in and around the area include: BAB 20, 21, 40 and 48; and E711, E711A, E769, E793 E794 (these last two were renamed BAB20 and 21)