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 | Class | Rank | Metric tons per person | Class | Rank | Children per woman | Wind erosion | Water erosion | |
|---|---|---|---|---|---|---|---|---|---|
| 2.64% | |||||||||
| 27.5 | 30.3% | ||||||||
| 3.39% | 3.82% | ||||||||
| 2.81% | 18.0% | ||||||||
| 3.18% | 1.43% | ||||||||
| 1 | 22.9% | 24.9% | |||||||
| 20 | 2.18% | 6.98% | |||||||
| 22.2% | 76.2% | ||||||||
| 13.5 | 2.27% | 11.4% | |||||||
| 2.72% | 5.61% | ||||||||
| 27.1% | |||||||||
| 18.0% | 27.1% | ||||||||
| 14.8% | 14.3% | ||||||||
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