REMOVE

1. Agriculture
2. Mining
3. Gerin
4. 1863

WHAT

1. Administrative and politi … (6)
2. Atlas Map (6)
3. World Atlas (6)

WHERE

1. Africa (1)
2. Asia (1)
3. Australia (1)
4. Canada (1)
5. Central America (1)
6. Europe (1)
7. France (1)
8. Mexico (1)
9. North America (1)
10. Oceania (1)
11. South America (1)
12. United States (1)

WHO

1. Francois Delarue, Bulla F … (6)
2. Langevin (6)
3. Lefevre, F. (6)
4. Mangeon (6)

WHEN

1. 1861 (6)