boulder hill - map search
Topographic map 068655 of scale 1:250 000
English - US Geological Survey - 1958 - 10Mb -
Topographic map 001889 of scale 1:24 000
English - US Geological Survey - 1954 - 4Mb -
Topographic map f18 of scale 1:1 000 000
English - US military - 1989 - 16Mb -
Topographic map nk16 of scale 1:1 000 000
English - US military - 1957 - 4Mb -
Topographic map f18-d of scale 1:500 000
English - US military - 1990 - 13Mb -
Topographic map 064805 of scale 1:63 000
English - US Geological Survey - 1925 - 5Mb -
Topographic map 064805 of scale 1:63 000
English - US Geological Survey - 1954 - 3Mb -
Topographic map 068655 of scale 1:250 000
English - US Geological Survey - 1961 - 9Mb -