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 | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Class | Rank | Metric tons | Strongest | Second strongest | Middle | Second weakest | Weakest | Class | Rank | Millions of U.S. dollars | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.3636363636363638 | 1 | 1 | 1.3846153846153846 | 1.8 | 1.25 | 1.3846153846153846 | 2.8333333333333335 | ||||||||||||||
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