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32. 1997 Economic Census
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1165. Mineral Production, by Type of Mineral
[Data represent production as measured by mine shipments, mine sales, or marketable production]
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Mineral
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Unit
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1990
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1991
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1992
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1993
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1994
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1995
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1996
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1997
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1998
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1999
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FUEL MINERALS
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Coal, total
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Mil. sh. tons
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1,029.1
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996.0
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997.5
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945.4
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1,033.5
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1,033.0
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1,056.7
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1,089.9
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1,117.5
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1,099.1
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Bituminous
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Mil. sh. tons
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693.2
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650.7
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651.9
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576.7
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640.3
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613.8
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630.7
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653.8
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631.7
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621.3
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Subbituminous
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Mil. sh. tons
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244.3
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255.3
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252.1
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274.9
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300.5
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328.0
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340.3
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345.1
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394.8
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388.3
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Lignite
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Mil. sh. tons
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88.1
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86.5
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90.1
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89.5
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88.1
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86.5
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88.1
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86.3
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85.8
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84.4
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Anthracite
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Mil. sh. tons
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3.5
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3.4
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3.5
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4.3
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4.6
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4.7
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4.8
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4.7
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5.3
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5.2
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Natural gas (marketed production)
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Tril. cu. ft.
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18.59
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18.53
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18.71
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18.98
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19.67
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19.51
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19.75
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19.87
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19.65
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19.67
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Petroleum (crude)
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Mil. bbl. 1
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2,686
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2,708
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2,617
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2,500
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2,420
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2,394
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2,360
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2354.98
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2,281
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2,164
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Uranium (recoverable content)
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Mil. lb.
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8.9
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8.0
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5.7
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3.1
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3.4
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6.0
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6.3
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5.64
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4.71
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4.71
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NONFUEL MINERALS
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Asbestos (sales)
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1,000 metric tons
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(D)
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20
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16
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14
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10
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9
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10
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7
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6
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6
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Asphalt and related bitumens (native) 3
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Mil. metric tons
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25
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26
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25
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27
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(3)
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(3)
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(3)
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(3)
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(3)
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(3)
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Barite, primary, sold/used by producers
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1,000 metric tons
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430
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448
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326
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315
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583
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543
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662
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692
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476
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375
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Boron minerals, sold or used by producers
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1,000 metric tons
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1,090
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1,240
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1,010
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1,060
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1,110
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1,190
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1,150
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1,190
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1,170
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(NA)
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Bromine, sold or used by producers
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1,000 metric tons
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177
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170
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171
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177
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195
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218
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227
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247
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230
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231
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