Larry was faster
Anyway, here my answer:
A small tidbit: There was a dwelling called Marjewka as described near Rossosh, see attachement.
But the other Marjewka can also be found, ca. 15km S of Rowenki...
One question is: Why should II./JG3 "only" move ca. 70km SE "around Voronesh"?
http://www.bing.com/maps/default.asp...J0b3A9MH4wfjB+