REMOVE

1. Data Visualization
2. Atlas Map
3. 1971

WHAT

1. Statistical (2)
2. Statistical Atlas (2)
3. Agriculture (1)

WHERE

1. Iran (2)
2. Switzerland (1)

WHO

1. Muassasah i Jughrafiay i … (2)
2. Sahab Geographic & Drafti … (2)
3. Eidgenössische Landestopo … (1)
4. Imhof, Eduard, 1895-1986 (1)
5. Spiess, Ernest (1)

WHEN

1. 1972 (2)
2. 1978 (1)