Exhibit 21.1
Subsidiaries
| Name | State of Incorporation | |
| CLV Azurite Land, LLC | Ohio | |
Range Bluegrass Land, LLC | Ohio | |
| Range Environmental Resources, Inc. | West Virginia | |
| Range Land, LLC | Ohio | |
| Range Minerals, LLC | Ohio | |
| Range Natural Resources, Inc. | West Virginia | |
| Range Reclaim, LLC | Ohio | |
| Range Rock Creek Land, LLC | Ohio | |
| Range Security, LLC | Ohio | |
| Range Security Resources, LLC | Ohio | |
| Range Sky View Land, LLC | Ohio | |
| Range Water, LLC | Ohio | |
| Terra Preta, LLC | Ohio |