potosi - map search
Topographic map 056229 of scale 1:63 000
English - US Geological Survey - 1957 - 5Mb -
Topographic map 061239 of scale 1:63 000
English - US Geological Survey - 1906 - 9Mb -
Topographic map d16-3 of scale 1:500 000
Russian - Soviet military - 4Mb -