# Relationship history for MSHA mine 4608264

Current hierarchy: **Scecorp & American Power Corp → American Bituminous Power Partners L P → Grant Town Power Plant**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Fru-Con Construction Corp → Grant Town Power Plant; 1993-02-01 to 1993-04-08; source msha-controller-operator-history
- **controller_controls_mine:** Herbert  Bodner → Grant Town Power Plant; 1993-02-01 to 1993-04-08; source msha-controller-operator-history
- **controller_controls_operator:** Herbert  Bodner → Fru-Con Construction Corp; 1993-02-01 to 1993-04-08; source msha-controller-operator-history
- **operator_operates_mine:** American Bituminous Power Partners L P → Grant Town Power Plant; 1993-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Scecorp & American Power Corp → Grant Town Power Plant; 1993-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scecorp & American Power Corp → American Bituminous Power Partners L P; 1993-04-09 to current/open; source msha-controller-operator-history