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| TABLE 3 | |||||||||
| CRUDE IRON ORE MINED IN THE UNITED STATES IN 2005, BY DISTRICT, | |||||||||
| STATE, AND MINING METHOD1, 2 | |||||||||
| Open pit | Underground | Total | |||||||
| Number | (thousand | (thousand | (thousand | ||||||
| District and State | of mines | metric tons) | metric tons) | metric tons) | |||||
| Lake Superior: | |||||||||
| Michigan | 2 | 37,900 | -- | 37,900 | |||||
| Minnesota | 6 | 138,000 | -- | 138,000 | |||||
| Total | 8 | 176,000 | -- | 176,000 | |||||
| Other States | 4 | 9 | -- | 9 | |||||
| Grand total� | 12 | 176,000 | -- | 176,000 | |||||
| -- Zero. | |||||||||
| 1Includes some byproduct ore.� Excludes ore containing 5% or more managanese. | |||||||||
| 2Data are rounded to no more than three significant digits; may not add to totals shown. | |||||||||
Source: United States Geological Survey Mineral Resources Program