REMOVE

1. Shipping
2. Chart Map
3. Atlas Map
4. Canals
5. Adam, V.

WHAT

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

WHERE

1. Alaska (1)
2. Greenland (1)
3. Switzerland (1)
4. Washington (1)
5. 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)