# Relationship history for MSHA mine 4404528

Current hierarchy: **Roger  Coleman → Raider Mining Inc → Mine No 1**

- 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:** Rife Ralph C → Mine No 1; 1974-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Universal Coal Company → Mine No 1; 1976-10-01 to 1977-12-12; source msha-controller-operator-history
- **controller_controls_mine:** Lester Ira → Mine No 1; 1976-10-01 to 1977-12-12; source msha-controller-operator-history
- **controller_controls_operator:** Lester Ira → Universal Coal Company; 1976-10-01 to 1977-12-12; source msha-controller-operator-history
- **operator_operates_mine:** Universal Coal Company → Mine No 1; 1977-12-13 to 1982-01-06; source msha-controller-operator-history
- **controller_controls_mine:** Howard Patrick M → Mine No 1; 1977-12-13 to 1982-01-06; source msha-controller-operator-history
- **controller_controls_operator:** Howard Patrick M → Universal Coal Company; 1977-12-13 to 1982-01-06; source msha-controller-operator-history
- **operator_operates_mine:** R L & H Coal Company Inc → Mine No 1; 1982-01-07 to 1989-05-21; source msha-controller-operator-history
- **controller_controls_operator:** Rife Ralph C → R L & H Coal Company Inc; 1982-01-07 to 1989-05-21; source msha-controller-operator-history
- **operator_operates_mine:** Raider Mining Inc → Mine No 1; 1989-05-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Roger  Coleman → Mine No 1; 1989-05-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger  Coleman → Raider Mining Inc; 1989-05-22 to current/open; source msha-controller-operator-history