REMOVE

1. Geology
2. Atlas Map
3. Switzerland
4. Greenland

WHAT

1. Geologic Atlas (1)
2. Physical (1)

WHERE

1. Alaska (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)