REMOVE

1. Central America
2. Mexico
3. Justus Perthes

WHAT

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

WHERE

1. Arizona (1)
2. California (1)
3. Iceland (1)
4. Nevada (1)
5. New York (1)
6. North America (1)
7. Yellowstone National Park (1)

WHO

1. Ausfeld, Johann Carl (1)
2. Bar, Johann Christoph (1)
3. Berghaus, Hermann (1)
4. Edler, E. (1)

WHEN

1. 1828 (1)
2. 1833 (1)
3. 1892 (1)
4. 1986 (1)