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 | Dense settlements | Pastoral villages | Remote rangelands | Residential rangelands | Populated rangelands | Residential rainfed croplands | Rice villages | Seminatural lands | Remote croplands | Irrigated villages | Wildlands | Rainfed villages | Residential irrigated croplands | Populated croplands | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 42.3% | 1.86% | 20.3% | 2.39% | 78.2% | 3.09% | 11.3% | 20.7% | ||||||||
| 27.5 | 21.8% | 1.06% | 5.79% | 8.12% | 56.5% | 7.91% | 1.94% | 26.6% | 3.37% | 1.29% | |||||
| 48.1% | 13.6% | 23.4% | 8.16% | 15.9% | 5.49% | 5.85% | 3.48% | 13.3% | |||||||
| 6.83% | 28.9% | 8.52% | 18.6% | 7.32% | 8.74% | 18.7% | 1.26% | 6.57% | 4.36% | 7.02% | 1.54% | 1.16% | |||
| 1.50% | 10.4% | 8.24% | 2.34% | 5.97% | 8.86% | 4.91% | 75.5% | 2.99% | 18.9% | 5.27% | |||||
| 1 | 3.62% | 4.78% | 16.9% | 13.4% | 6.51% | 55.6% | 25.9% | 2.39% | 14.1% | 24.8% | 9.85% | 5.11% | 12.6% | ||
| 20 | 1.03% | 3.58% | 16.3% | 12.7% | 20.0% | 5.26% | 25.9% | 2.26% | 1.50% | 20.4% | 9.83% | 5.03% | 6.03% | ||
| 47.1% | 3.63% | 2.09% | 4.40% | 15.9% | 41.1% | 9.67% | 8.54% | 99.1% | |||||||
| 13.5 | 2.31% | 18.7% | 8.51% | 6.44% | 8.25% | 9.02% | 4.83% | 62.3% | 1.57% | 1.57% | 6.00% | ||||
| 15.9% | 7.75% | 9.29% | 38.3% | 25.0% | 13.5% | 21.3% | |||||||||
| 2.84% | 2.10% | 19.8% | 16.5% | 50.0% | 1.79% | 10.7% | 8.00% | 4.35% | 3.73% | ||||||
| 7.23% | 18.6% | 8.98% | 10.1% | 15.2% | 10.2% | 3.06% | 56.9% | 3.64% | 3.38% | 7.87% | |||||
| 2.60% | 1.82% | 17.1% | 19.3% | 24.5% | 13.5% | 28.0% | 2.09% | 27.7% | 15.8% | 4.81% | |||||
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