Dongkou - map search

Topographic map ni48 of scale 1:1 000 000

English - US military - 1957 - 4Mb -

Topographic map h11-c of scale 1:500 000

English - US military - 1992 - 15Mb -

Topographic map g09-d of scale 1:500 000

English - US military - 1998 - 13Mb -

Topographic map g49-09 of scale 1:200 000

Russian - Soviet military - 14Mb -