REMOVE

1. National Atlas
2. Ohio
3. Indiana
4. 1874

WHAT

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