# Relationship history for MSHA mine 3609394

Current hierarchy: **J Clifford  Forrest III → ROSEBUD MINING COMPANY → KNOB CREEK**

- 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 → KNOB CREEK; 1979-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Western Allegheney Energy, LLC. → KNOB CREEK; 2008-10-22 to 2011-06-20; source msha-controller-operator-history
- **controller_controls_mine:** J Clifford  Forrest III → KNOB CREEK; 2008-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Clifford  Forrest III → Western Allegheney Energy, LLC.; 2008-10-22 to 2011-06-20; source msha-controller-operator-history
- **operator_operates_mine:** Rosebud Mining Company → KNOB CREEK; 2011-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Clifford  Forrest III → Rosebud Mining Company; 2011-06-21 to current/open; source msha-controller-operator-history