| Peabody Powder River Mining LLC | North Antelope Rochelle Mine | WY | 77.602(b) |
| Peabody Powder River Mining LLC | North Antelope Rochelle Mine | WY | 77.1607(n) |
| Peabody Powder River Mining LLC | North Antelope Rochelle Mine | WY | 47.44(b) |
| Peabody Powder River Mining LLC | North Antelope Rochelle Mine | WY | 77.502 |
| American Colloid Company | Lovell Mill | WY | 56.16005 |
| American Colloid Company | Lovell Mill | WY | 56.11001 |
| Bentonite Performance Minerals, LLC | BPM Colony Mill | WY | 56.20003(a) |
| Peak Gravel LLC | Dodge Pit | WY | 50.30(a) |
| Ramsey Hill Exploration LLC | McGee Mine | WY | 56.18002(a) |
| Peabody Powder River Mining LLC | North Antelope Rochelle Mine | WY | 77.1605(b) |
| Peabody Powder River Mining LLC | North Antelope Rochelle Mine | WY | 50.20(a) |
| G K Inc | Yellowtail Mine | WY | 56.12025 |
| Bentonite Performance Minerals, LLC | BPM Colony Mill | WY | 56.12028 |
| Bentonite Performance Minerals, LLC | BPM Colony Mill | WY | 56.12019 |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.1110 |
| Peabody Powder River Mining LLC | North Antelope Rochelle Mine | WY | 77.502-2 |
| Wyoming Earthmoving Corporation | Jaw Crusher JS3750 | WY | 56.12032 |
| Wyoming Earthmoving Corporation | Jaw Crusher JS3750 | WY | 56.20011 |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.502 |
| Russell Construction Company | Douglas Quarry | WY | 56.1000 |
| Black Butte Coal Company | Black Butte And Leucite Hills Mines | WY | 77.502 |
| Ramsey Hill Exploration LLC | McGee Mine | WY | 41.12 |
| Ramsey Hill Exploration LLC | McGee Mine | WY | 56.4101 |
| Ramsey Hill Exploration LLC | McGee Mine | WY | 56.4203 |
| American Colloid Company | COLONY EAST MILL | WY | 56.12030 |
| American Colloid Company | COLONY WEST MILL | WY | 56.12030 |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.1110 |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.502 |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.809 |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.1607(p) |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.1104 |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.208(d) |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.1110 |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.1104 |
| Bentonite Performance Minerals LLC | BPM Lovell Mill | WY | 56.12008 |
| Navajo Transitional Energy Company, LLC | Antelope Coal Mine | WY | 77.505 |
| Bentonite Performance Minerals LLC | BPM Lovell Mill | WY | 56.4230(a)(1) |
| Rust Constructors Inc | Black Thunder | WY | 77.1606(c) |
| Black Hills Bentonite A Limited Liability Co | Thornton Plant | WY | 56.16005 |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.1710(i) |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 77.1104 |
| Thunder Basin Coal Company LLC | Black Thunder | WY | 72.620 |
| Nelson Brothers Mining Services LLC | Black Thunder | WY | 77.1710(i) |
| Black Rock Mine Service | Black Thunder | WY | 77.208(b) |
| Black Rock Mine Service | Black Thunder | WY | 77.1607(n) |