REMOVE

1. Atlas Map
2. Geologic Atlas
3. Greenland
4. World
5. Washington

WHAT

1. Geology (1)
2. Physical (1)

WHERE

1. Alaska (1)
2. Switzerland (1)

WHO

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

WHEN

1. 1892 (1)