clarks fk. yellowstone - map search
Topographic map l12 of scale 1:1 000 000
Russian - Soviet military - 4Mb -
Topographic map l12-4 of scale 1:500 000
Russian - Soviet military - 14Mb -
Topographic map nl12 of scale 1:1 000 000
English - US military - 1957 - 5Mb -