# Relationship history for MSHA mine 4603243

Current hierarchy: **Harold T  Stirling → Stirling Energies Inc → Raleigh No 3 Preparation Plant**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Hawley Coal Mining Corp → Raleigh No 3 Preparation Plant; 1950-01-01 to 1974-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Belco Petroleum Corp → Raleigh No 3 Preparation Plant; 1950-01-01 to 1974-10-31; source msha-controller-operator-history
- **controller_controls_operator:** Belco Petroleum Corp → Hawley Coal Mining Corp; 1950-01-01 to 1974-10-31; source msha-controller-operator-history
- **operator_operates_mine:** Hawley Coal Mining Corp → Raleigh No 3 Preparation Plant; 1974-11-01 to 1978-11-01; source msha-controller-operator-history
- **controller_controls_mine:** Hawley Charbon → Raleigh No 3 Preparation Plant; 1974-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hawley Charbon → Hawley Coal Mining Corp; 1974-11-01 to 1978-11-01; source msha-controller-operator-history
- **operator_operates_mine:** Philpott Coal Corp → Raleigh No 3 Preparation Plant; 1978-11-02 to 1984-06-05; source msha-controller-operator-history
- **controller_controls_mine:** Philpott Edward Leigh → Raleigh No 3 Preparation Plant; 1978-11-02 to 1984-06-05; source msha-controller-operator-history
- **controller_controls_operator:** Philpott Edward Leigh → Philpott Coal Corp; 1978-11-02 to 1984-06-05; source msha-controller-operator-history
- **operator_operates_mine:** Stirling Energies Inc → Raleigh No 3 Preparation Plant; 1984-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harold T  Stirling → Raleigh No 3 Preparation Plant; 1984-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harold T  Stirling → Stirling Energies Inc; 1984-06-06 to current/open; source msha-controller-operator-history