REMOVE

1. Physical
2. Geologic Atlas
3. Alaska
4. World

WHAT

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

WHERE

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