Although initially the camps of Gusen and Mauthausen mostly served the local quarries, from 1942 onwards they began to be included in the German war machine.
Hoci tábory Gusen a Mauthausen pôvodne slúžili miestnym kameňolomom, v roku 1942 a neskôr, boli začlenené do nemeckej vojnovej mašinérie.