REMOVE

1. Mining
2. Central America

WHAT

1. Atlas Map (5)
2. World Atlas (4)
3. Administrative and politi … (1)
4. Agriculture (1)

WHERE

1. Mexico (3)
2. Guatemala (2)
3. Arizona (1)
4. California (1)

WHO

1. Berghaus, Hermann (1)
2. Francois Delarue, Bulla F … (1)
3. Gerin (1)
4. Guensu (1)
5. Hassel, S. G. H., 1779-18 … (1)

WHEN

1. 1827 (1)
2. 1838 (1)
3. 1841 (1)
4. 1861 (1)
5. 1863 (1)