Mines by State
| State | Total | Active | Gold | Coal | Surface | Underground |
|---|
| Alabama | 6,192 | 705 | 281 | 946 | 3,822 | 214 |
| Alaska | 13,412 | 351 | 7,522 | 8 | 3,583 | 308 |
| Arizona | 13,669 | 1,705 | 3,201 | 4 | 2,373 | 2,322 |
| Arkansas | 4,194 | 586 | 1 | 70 | 3,253 | 288 |
| California | 43,637 | 4,691 | 23,022 | 4 | 12,185 | 6,573 |
| Colorado | 18,481 | 2,588 | 5,165 | 128 | 3,854 | 7,715 |
| Connecticut | 1,485 | 230 | 6 | 0 | 903 | 15 |
| Delaware | 62 | 20 | 0 | 0 | 38 | 0 |
| District of Columbia | 48 | 0 | 0 | 0 | 22 | 0 |
| Florida | 1,949 | 778 | 0 | 0 | 960 | 0 |
| Georgia | 2,993 | 566 | 477 | 11 | 1,298 | 127 |
| Guam | 10 | 3 | 0 | 0 | 9 | 0 |
| Hawaii | 150 | 38 | 0 | 0 | 134 | 0 |
| Idaho | 10,817 | 850 | 3,222 | 2 | 3,827 | 2,174 |
| Illinois | 2,927 | 534 | 1 | 224 | 1,928 | 236 |
| Indiana | 1,775 | 625 | 0 | 336 | 1,198 | 52 |
| Iowa | 3,895 | 786 | 0 | 13 | 3,646 | 52 |
| Kansas | 556 | 215 | 0 | 19 | 458 | 65 |
| Kentucky | 10,069 | 376 | 0 | 9,225 | 4,798 | 4,387 |
| Louisiana | 946 | 322 | 0 | 4 | 752 | 9 |
| Maine | 2,156 | 265 | 71 | 0 | 1,250 | 209 |
| Maryland | 1,308 | 279 | 28 | 111 | 800 | 51 |
| Massachusetts | 1,396 | 358 | 5 | 0 | 792 | 13 |
| Michigan | 3,882 | 959 | 67 | 0 | 2,021 | 684 |
| Minnesota | 3,294 | 1,015 | 18 | 0 | 2,373 | 90 |
| Mississippi | 1,361 | 346 | 0 | 2 | 479 | 4 |
| Missouri | 13,548 | 749 | 8 | 58 | 9,543 | 3,423 |
| Montana | 10,866 | 603 | 3,750 | 28 | 2,601 | 2,699 |
| Nebraska | 337 | 115 | 0 | 0 | 304 | 6 |
| Nevada | 15,911 | 931 | 5,809 | 0 | 3,607 | 3,003 |
| New Hampshire | 1,004 | 122 | 13 | 0 | 496 | 33 |
| New Jersey | 1,383 | 243 | 0 | 0 | 335 | 76 |
| New Mexico | 8,550 | 793 | 1,019 | 25 | 3,726 | 1,340 |
| New York | 4,313 | 1,042 | 1 | 2 | 2,474 | 139 |
| North Carolina | 5,614 | 996 | 538 | 3 | 2,445 | 224 |
| North Dakota | 573 | 152 | 0 | 16 | 555 | 2 |
| Northern Mariana Islands | 9 | 8 | 0 | 0 | 9 | 0 |
| Ohio | 2,741 | 774 | 0 | 796 | 1,871 | 97 |
| Oklahoma | 5,146 | 686 | 0 | 158 | 4,749 | 145 |
| Oregon | 16,963 | 3,302 | 4,619 | 3 | 6,500 | 1,593 |
| Pennsylvania | 7,370 | 886 | 3 | 3,444 | 4,598 | 859 |
| Puerto Rico | 885 | 244 | 28 | 0 | 239 | 0 |
| Rhode Island | 190 | 56 | 2 | 0 | 124 | 3 |
| South Carolina | 1,927 | 399 | 291 | 0 | 556 | 41 |
| South Dakota | 2,778 | 403 | 502 | 1 | 1,520 | 326 |
| Tennessee | 5,918 | 968 | 125 | 692 | 2,513 | 492 |
| Texas | 4,455 | 1,945 | 37 | 38 | 2,788 | 50 |
| U.S. Virgin Islands | 18 | 8 | 3 | 0 | 9 | 0 |
| Utah | 14,375 | 2,402 | 831 | 94 | 2,941 | 1,974 |
| Vermont | 1,321 | 258 | 20 | 0 | 568 | 24 |
| Virginia | 7,206 | 559 | 401 | 2,458 | 2,635 | 1,714 |
| Washington | 11,652 | 634 | 2,457 | 4 | 5,949 | 1,434 |
| West Virginia | 5,433 | 279 | 0 | 5,044 | 1,827 | 2,765 |
| Wisconsin | 7,148 | 919 | 3 | 0 | 6,184 | 322 |
| Wyoming | 5,571 | 443 | 239 | 67 | 1,979 | 252 |