 Complete the following phrase:  In District of Galicia, SS and Police Leader Fritz Katzmann ordered Jews to work on the road in October 1941 some photos of DG IV were included in the Katzmann Report of June 1943. Historians have proposed that when Reinhard Heydrich made a reference to Jews working on road construction during the Wannsee Conference in January 1942, it was an allusion to the DG IV project. The large-scale constructions works started in 1942 in preparation for the 