| Relationships | Role | Relationship Start | Relationship End |
| Lincoln Corporation | Parent | 12/31/1970 | 1/30/1975 |
| Kemmerer Coal Company, The | Subsidary | 12/31/1970 | 1/30/1975 |
| Relationships | Role | Relationship Start | Relationship End |
| Lincoln Corporation | Parent | 12/31/1970 | 1/30/1975 |
| Kemmerer Coal Company, The | Subsidary | 12/31/1970 | 1/30/1975 |