| Relationships | Role | Relationship Start | Relationship End |
| New York Mining & Manufacturing Company | Parent | 12/31/1970 | 1/30/1975 |
| Wise Coal & Coke Company | Parent | 12/31/1970 | 1/30/1975 |
| Relationships | Role | Relationship Start | Relationship End |
| New York Mining & Manufacturing Company | Parent | 12/31/1970 | 1/30/1975 |
| Wise Coal & Coke Company | Parent | 12/31/1970 | 1/30/1975 |