# Relationship history for MSHA mine 3608525

Current hierarchy: **J Clifford  Forrest III → Rosebud Mining Company → Tom's Run 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 → Tom's Run Mine; 1979-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John M  Lee → Tom's Run Mine; 1984-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Marquise Mining Corp → Tom's Run Mine; 1995-08-01 to 1997-03-31; source msha-controller-operator-history
- **controller_controls_operator:** John M  Lee → Marquise Mining Corp; 1995-08-01 to 1997-03-31; source msha-controller-operator-history
- **operator_operates_mine:** PENNAMERICAN COAL L P → Tom's Run Mine; 1997-04-01 to 2007-10-22; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Tom's Run Mine; 1997-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → PENNAMERICAN COAL L P; 1997-04-01 to 2007-10-22; source msha-controller-operator-history
- **operator_operates_mine:** Rosebud Mining Company → Tom's Run Mine; 2007-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Clifford  Forrest III → Rosebud Mining Company; 2007-10-23 to current/open; source msha-controller-operator-history