REMOVE

1. Atlas Map
2. Physical
3. Geologic Atlas
4. Greenland

WHAT

1. Geology (1)

WHERE

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