REMOVE

1. Composite Map
2. Geologic Atlas
3. Coal
4. Dowling, D.B.

WHAT

1. Atlas Map (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)