REMOVE

1. South America 1:500,000
2. Aeronautical charts--South A …
3. Panamá; Colombia; Venezuela; …
4. South America
5. United States. Army Map Serv …

WHAT

1. Europe, Central--Index ma … (1)
2. Index map of eastern Sout … (1)
3. Index map of northern Sou … (1)
4. Index map of western Sout … (1)
5. Series (Standard map seri … (1)
6. Series (Standard map seri … (1)
7. Series (Standard map seri … (1)
8. South America--Maps (1)

WHERE

1. W 85°--W 15°/N 15°--S 55° (1)

WHO

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

WHEN

1. -1940 (1)