REMOVE

1. Topography
2. National Atlas
3. Bernese Alps (Switzerland)

WHAT

1. Atlas Map (2)
2. Glaciers (2)
3. Physical (2)

WHERE

1. Switzerland (2)
2. Lugano, Lake (Switzerland … (1)
3. Saint Gotthard Pass (Swit … (1)
4. Valais Alps (Switzerland) (1)

WHO

1. Eidgenössische Landestopo … (2)
2. Imhof, Eduard, 1895-1986 (2)
3. Verlag der Eidgenössisch … (2)
4. Kasser, Peter (1)
5. Röthlisberger, Hans (1)

WHEN

1. 1978 (2)
2. 1965 (1)
3. 1975 (1)