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 | -0.1 - -0.001 | 0.0 - 0.199 | 0.2 - 0.399 | 0.4 - 0.599 | 0.6 - 0.799 | 0.8 - 0.9 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4.75% | 20.1% | 18.7% | 57.0% | ||||||||||
| 27.5 | 4.82% | 12.1% | 70.2% | ||||||||||
| 49.2% | 33.1% | 18.4% | 8.97% | ||||||||||
| 29.2% | 12.8% | 13.2% | 32.2% | 17.0% | |||||||||
| 3.79% | 2.50% | 13.3% | 52.2% | 28.9% | |||||||||
| 1 | 14.7% | 9.80% | 13.8% | 15.9% | 68.8% | 12.3% | |||||||
| 20 | 2.95% | 22.4% | 12.3% | 24.3% | 30.9% | 34.3% | |||||||
| 82.2% | 19.0% | 1.90% | 26.2% | ||||||||||
| 13.5 | 2.30% | 7.22% | 14.7% | 16.6% | 43.6% | 11.3% | |||||||
| 19.8% | 17.1% | 40.8% | 20.2% | 4.66% | |||||||||
| 5.41% | 33.8% | 52.1% | |||||||||||
| 93.6% | 12.2% | 17.8% | 4.74% | 3.40% | |||||||||
| 39.9% | 28.3% | 28.1% | 27.6% | 21.3% | |||||||||
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