Mines by State and Territory
The United States has a mining history stretching back centuries, from the California Gold Rush to modern-day coal operations in Appalachia. Federal databases from the USGS and MSHA document mine locations across all 50 states, Washington D.C., and the U.S. territories. The table below shows the full breakdown by state, including active operations, gold deposits, coal mines, and surface versus underground operations.
| 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 |