REMOVE

1. Geologic Atlas
2. Greenland
3. World
4. Justus Perthes

WHAT

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

WHERE

1. Alaska (1)
2. Switzerland (1)
3. Washington (1)

WHO

1. Berghaus, Hermann (1)
2. Hess, O. (1)
3. Kogel, F. (1)
4. Risch, M. (1)

WHEN

1. 1892 (1)