Озерск - map search
Topographic map P42S43 of scale 1:100 000
Poland - Poland WIG - 1928 - 3Mb -
Topographic map n34-057 of scale 1:100 000
Russian - Soviet military - 1936 - 4Mb -
Topographic map 1U52 of scale 1:300 000
German - German military - 1943 - 11Mb -