rock lake - map search
Topographic map nk16 of scale 1:1 000 000
English - US military - 1957 - 4Mb -
Topographic map 068711 of scale 1:250 000
English - US Geological Survey - 1954 - 18Mb -
Topographic map 024554 of scale 1:24 000
English - US Geological Survey - 1959 - 5Mb -
Topographic map 068651 of scale 1:250 000
English - US Geological Survey - 1960 - 11Mb -