REMOVE

1. Historical
2. 1973

WHAT

1. Data Visualization (7)
2. National Atlas (7)
3. Atlas Map (6)
4. Commerce; Economics (3)

WHERE

1. Bern (Switzerland) (1)
2. California (1)
3. Geneva (Switzerland) (2)
4. San Diego (Calif.) (1)
5. St. Gallen (Switzerland) (1)
6. Switzerland (6)
7. Valais Alps (Switzerland) (1)
8. Valais Region (Switzerlan … (1)
9. Winterthur (Switzerland) (1)

WHO

1. Eidgenössische Landestopo … (7)
2. Imhof, Eduard, 1895-1986 (7)
3. Verlag der Eidgenössisch … (7)
4. Grosjean, Georges (4)
5. Dark Age Graphics (1)

WHEN

1. 1978 (7)