piedras negras - map search

Topographic map ne15-09 of scale 1:250 000

English - US Joint operational - 1996 - 5Mb -

Topographic map nh14-10 of scale 1:250 000

English - US Joint operational - 1993 - 12Mb -

Topographic map 068761 of scale 1:250 000

English - US Geological Survey - 1958 - 2Mb -