REMOVE

1. Panamá; Colombia; Venezuela; …

WHAT

1. Aeronautical charts--Sout … (1)
2. Europe, Central--Index ma … (1)
3. Index map of eastern Sout … (1)
4. Index map of northern Sou … (1)
5. Index map of western Sout … (1)

WHERE

1. South America (1)
2. W 85°--W 15°/N 15°--S 55° (1)

WHO

1. United States. Army Map S … (1)
2. United States. Army Map S … (1)
3. United States. Army. Corp … (1)

WHEN

1. -1940 (1)