# Relationship history for MSHA mine 3608785

Current hierarchy: **J Clifford  Forrest III → ROSEBUD MINING COMPANY → PARKWOOD MINE**

- 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

- **controller_controls_mine:** J Clifford  Forrest III → PARKWOOD MINE; 1979-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Parkwood Resources Inc → PARKWOOD MINE; 1999-04-01 to 2010-04-30; source msha-controller-operator-history
- **controller_controls_mine:** John P  Garcia et al → PARKWOOD MINE; 1999-04-01 to 2010-03-31; source msha-controller-operator-history
- **controller_controls_operator:** John P  Garcia et al → Parkwood Resources Inc; 1999-04-01 to 2010-03-31; source msha-controller-operator-history
- **controller_controls_mine:** J Clifford  Forrest III → PARKWOOD MINE; 2008-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** J Clifford  Forrest III → PARKWOOD MINE; 2010-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Clifford  Forrest III → Parkwood Resources Inc; 2010-04-01 to 2010-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Rosebud Mining Company → PARKWOOD MINE; 2010-05-01 to 2011-03-17; source msha-controller-operator-history
- **controller_controls_operator:** J Clifford  Forrest III → Rosebud Mining Company; 2010-05-01 to 2011-03-17; source msha-controller-operator-history
- **operator_operates_mine:** Western Allegheny Energy, LLC → PARKWOOD MINE; 2011-03-18 to 2011-09-18; source msha-controller-operator-history
- **controller_controls_operator:** J Clifford  Forrest III → Western Allegheny Energy, LLC; 2011-03-18 to 2011-09-18; source msha-controller-operator-history
- **operator_operates_mine:** Rosebud Mining Company → PARKWOOD MINE; 2011-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Clifford  Forrest III → Rosebud Mining Company; 2011-09-19 to current/open; source msha-controller-operator-history