REMOVE

1. Atlas Map
2. Colombia
3. Peru
4. Brazil

WHAT

1. World Atlas (2)
2. Physical (1)

WHERE

1. Bolivia (1)
2. Northern South America (1)

WHO

1. Instituto Geografico di A … (1)
2. Instituto Geographico di … (1)
3. USSR (1)
4. USSR (Union of Soviet Soc … (1)

WHEN

1. 1952 (1)
2. 1967 (1)