A world map shows nitrate mining locations marked by orange circles with "N." Key areas include the U S, Mexico, Chile, and Spain. Major clusters are in the U S (western states), Mexico, and northern Chile's Atacama Desert.
Nitrate Mines | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | Origin of International Migrants Residing in China, 2020 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 27.5 | ||||||||||||||||||||
| 1 | 1 | 1 | 1 | |||||||||||||||||
| 1 | ||||||||||||||||||||
| 1 | 1 | |||||||||||||||||||
| 20 | 1 | 1 | ||||||||||||||||||
| 13.5 | 1 | 1 | ||||||||||||||||||
| 1 | 1 | 1 | 1 | |||||||||||||||||
| 1 | 1 | 1 | 1 | 1 | ||||||||||||||||