REMOVE

1. Geology
2. Geologic Atlas
3. Greenland
4. Alaska

WHAT

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

WHERE

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