SIC* | Ave Units | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Average | |
Total, Mining | 804 | 15,571 | 15,184 | 14,969 | 15,020 | 15,485 | 15,948 | 16,209 | 16,327 | 16,461 | 16,590 | 16,566 | 16,941 | 15,939 | |
Metal Mining | 10 | 28 | 492 | 489 | 484 | 499 | 507 | 529 | 547 | 529 | 539 | 562 | 541 | 550 | 522 |
-Lead & zinc ores | 103-ND | ||||||||||||||
-Gold & silver ores | 104-ND | ||||||||||||||
-Metal mining services | 108 | 16 | 124 | 130 | 133 | 141 | 141 | 152 | 169 | 158 | 165 | 170 | 170 | 171 | 152 |
-Miscellaneous metal ores | 109 | 11 | 363 | 354 | 346 | 353 | 361 | 372 | 373 | 366 | 369 | 387 | 366 | 374 | 365 |
Coal Mining | 12 | 39 | 4,507 | 4,417 | 4,416 | 4,444 | 4,667 | 4,789 | 4,760 | 4,723 | 4,649 | 4,653 | 4,680 | 4,709 | 4,618 |
-Bituminous coal & lignite mining | 122 | 25 | 4,116 | 4,021 | 4,018 | 4,020 | 4,234 | 4,332 | 4,329 | 4,275 | 4,175 | 4,119 | 4,116 | 4,146 | 4,158 |
-Coal mining services | 124 | 14 | 391 | 396 | 398 | 424 | 433 | 457 | 431 | 448 | 474 | 534 | 564 | 563 | 459 |
Oil & Gas Extraction | 13 | 674 | 7,648 | 7,372 | 7,196 | 7,146 | 7,361 | 7,616 | 7,955 | 8,171 | 8,368 | 8,485 | 8,496 | 8,827 | 7,887 |
-Crude petroleum & natural gas | 131 | 179 | 2,382 | 2,381 | 2,416 | 2,497 | 2,475 | 2,544 | 2,526 | 2,549 | 2,499 | 2,432 | 2,425 | 2,429 | 2,463 |
-Natural gas liquids | 132 | 9 | 122 | 120 | 119 | 135 | 105 | 104 | 104 | 106 | 105 | 99 | 105 | 108 | 111 |
-Oil & gas field services | 138 | 486 | 5,144 | 4,871 | 4,661 | 4,514 | 4,781 | 4,968 | 5,325 | 5,516 | 5,764 | 5,954 | 5,966 | 6,290 | 5,313 |
Nonmetallic Minerals, Except Fuels | 14 | 63 | 2,924 | 2,906 | 2,873 | 2,931 | 2,950 | 3,014 | 2,947 | 2,904 | 2,905 | 2,890 | 2,849 | 2,855 | 2,912 |
-Dimension stone | 141-ND | ||||||||||||||
-Crushed & broken stone | 142 | 5 | 93 | 93 | 99 | 101 | 103 | 103 | 101 | 109 | 108 | 103 | 103 | 103 | 102 |
-Sand & gravel | 144 | 14 | 28 | 32 | 35 | 47 | 51 | 48 | 51 | 45 | 46 | 49 | 48 | 42 | 44 |
-Clay, ceramic & refractory minerals | 145 | 21 | 541 | 530 | 511 | 537 | 538 | 546 | 544 | 548 | 534 | 523 | 523 | 543 | 535 |
-Chemical & fertilizer minerals | 147 | 12 | 2,169 | 2,160 | 2,134 | 2,145 | 2,161 | 2,202 | 2,140 | 2,096 | 2,118 | 2,124 | 2,092 | 2,088 | 2,136 |
-Nonmetallic minerals services | 148-ND | ||||||||||||||
-Miscellaneous nonmetallic minerals | 149 | 5 | 30 | 30 | 28 | 28 | 30 | 30 | 31 | 34 | 30 | 28 | 30 | 29 | 30 |
* Standard Industrial Classification Code.