Updated chapter of RKKA (Red Army of Workers and Peasants) maps in scale 1:100000. It is interesting that RKKA maps in scale 1:100000 were used by Red Army to mark cemeteries, intermet places of RKKA sodiers, to mark placements of units also to indicate places of minerals...

All available RKKA maps in scale 1:100000 shown on index (link).

Sources: Collection of Jonas Deksnys, ОБД Мемориал, library University of Greifswald, WWII Photos Maps, mapywig.org, other sources.