REMOVE

1. Data Visualization
2. Oil
3. 1978

WHAT

1. Atlas Map (2)
2. National Atlas (2)
3. Chart (1)

WHERE

1. Libya (1)
2. Switzerland (1)

WHO

1. Amanat al-Takhtit, Maslah … (1)
2. Eidgenössische Landestopo … (1)
3. Esselte Map Service (1)
4. Imhof, Eduard, 1895-1986 (1)
5. Libya. Maslahat al-Misaha … (1)

WHEN

1. 1972 (1)