balance rock - map search
Topographic map g18-d of scale 1:500 000
English - US military - 1993 - 12Mb -
Topographic map 068661 of scale 1:250 000
English - US Geological Survey - 1960 - 7Mb -
Topographic map 052026 of scale 1:63 000
English - US Geological Survey - 1958 - 7Mb -