REMOVE

1. Alaska
2. Harrison, Sam
3. Lucas, Fielding Jr.
4. 1822

WHAT

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

WHERE

1. Greenland (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)