great barren lake - map search
Topographic map f22 of scale 1:1 000 000
English - US military - 1980 - 9Mb -
Topographic map f19 of scale 1:1 000 000
English - US military - 1990 - 14Mb -
Topographic map f19-c of scale 1:500 000
English - US military - 1989 - 2Mb -