Cold fronts occur in several areas on the weather map, in the Pacific Ocean off British Columbia; beginning in southern Utah and running northeast across the Great Plains into Canada almost as far as Hudson Bay; and in the eastern Gulf of Mexico, extending northeastward across Florida toward the hurricane just off shore.
Cold Front | Nitrate Mines | No data | Arid and low water use | Low (<10%) | Low-medium (10-20%) | Medium-high (20-40%) | High (40-80%) | Extremely high (>80%) | Herder's Environment | Class | Rank | Percent of world production | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3.11% | 2.3636363636363638 | 0.654% | 3.65% | 47.2% | 4.86% | 6.22% | 9.97% | 14.9% | 30.7% | ||||
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