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 | Hypoxic | Eutrophic | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | ||||||||
| 27.5 | 1 | ||||||||
| 3.25 | 1 | ||||||||
| 1 | 3.909090909090909 | 3.3333333333333335 | |||||||
| 20 | 1.6 | 1.8 | |||||||
| 1 | 1 | ||||||||
| 13.5 | 78.5 | 9 | |||||||
| 1 | 1 | ||||||||
| 2 | 1 | ||||||||
| 1.3333333333333333 | 1.4 | ||||||||
| 1.5 | 1 | ||||||||
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