REMOVE

1. Data Visualization
2. Physical
3. National Atlas
4. Atlas Map

WHAT

1. Topography (3)

WHERE

1. Switzerland (3)
2. Armenia (Republic) (2)
3. Valais Alps (Switzerland) (2)
4. Bernese Alps (Switzerland … (1)
5. Valais Region (Switzerlan … (1)

WHO

1. Eidgenössische Landestopo … (3)
2. Imhof, Eduard, 1895-1986 (3)
3. Verlag der Eidgenössisch … (3)
4. Arutiunian, Aramais Bagra … (2)
5. Soviet Union. Glavnoe upr … (2)

WHEN

1. 1978 (3)
2. 1961 (2)
3. 1965 (1)
4. 1973 (1)
5. 1975 (1)