helena valley west central - map search

Topographic map 075030 of scale 1:250 000

English - US Geological Survey - 1962 - 15Mb -

Topographic map l12 of scale 1:1 000 000

Russian - Soviet military - 4Mb -

Topographic map 322328 of scale 1:250 000

English - US Geological Survey - 1903 - 4Mb -