# Relationship history for MSHA mine 4608949

Current hierarchy: **Clarence R  Peters; Richard N  Nester → Laurel Coal Corp. → Winifrede 12 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:** Peabody Energy Corporation → Winifrede 12 Mine; 1998-03-26 to 2007-10-30; source msha-controller-operator-history
- **controller_controls_mine:** Richard N  Nester et al → Winifrede 12 Mine; 1998-09-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eastern Associated Coal LLC → Winifrede 12 Mine; 2002-02-08 to 2006-06-03; source msha-controller-operator-history
- **controller_controls_operator:** Peabody Energy Corporation → Eastern Associated Coal LLC; 2002-02-08 to 2006-06-03; source msha-controller-operator-history
- **operator_operates_mine:** Laurel Coal Corp. → Winifrede 12 Mine; 2006-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard N  Nester et al → Laurel Coal Corp.; 2006-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clarence R  Peters et al → Laurel Coal Corp.; 2006-06-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Winifrede 12 Mine; 2007-10-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Eastern Associated Coal LLC; 2007-10-31 to 2006-06-03; source msha-controller-operator-history