| شركة | يشارك, % |
|---|---|
 Calumet Specialty Products Partners, L.P.
|
6.78 |
| Dorchester Minerals, L.P. | 1.59 |
| شركة | يشارك, % |
|---|---|
|
Calumet Specialty Products Partners, L.P.
|
6.78 |
| Dorchester Minerals, L.P. | 1.59 |
