Big Horn - map search

Topographic map nl13 of scale 1:1 000 000

English - US military - 1957 - 4Mb -

Topographic map f17 of scale 1:1 000 000

English - US military - 1990 - 15Mb -

Topographic map 069027 of scale 1:250 000

English - US Geological Survey - 1962 - 10Mb -