# Relationship history for MSHA mine 4406527

Current hierarchy: **Plaster Jackie L → P & W Mine Parts & Services Inc → No 5**

- 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:** Plaster Jackie L → No 5; 1988-01-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** R J & C Coal Corp → No 5; 1989-07-01 to 1994-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Shelton Donald Lee → No 5; 1989-07-01 to 1994-02-23; source msha-controller-operator-history
- **controller_controls_operator:** Shelton Donald Lee → R J & C Coal Corp; 1989-07-01 to 1994-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Dick J  Plaster → No 5; 1992-11-01 to 1995-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Harvest Coal Inc → No 5; 1994-02-24 to 1995-08-15; source msha-controller-operator-history
- **controller_controls_operator:** Dick J  Plaster → Harvest Coal Inc; 1994-02-24 to 1995-08-15; source msha-controller-operator-history
- **operator_operates_mine:** P & W Mine Parts & Services Inc → No 5; 1995-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Plaster Jackie L → P & W Mine Parts & Services Inc; 1995-08-16 to current/open; source msha-controller-operator-history