# Relationship history for MSHA mine 4606133

Current hierarchy: **Redden Steve W → Maple Leaf Coal Company Inc → #52 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:** Mc Clung Harold C → #52 Mine; 1979-11-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jenny Mining Company → #52 Mine; 1980-03-01 to 1983-09-28; source msha-controller-operator-history
- **controller_controls_operator:** Mc Clung Harold C → Jenny Mining Company; 1980-03-01 to 1983-09-28; source msha-controller-operator-history
- **controller_controls_mine:** Redden Steve W → #52 Mine; 1981-06-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bryant Trucking Company Inc → #52 Mine; 1983-09-29 to 1984-10-29; source msha-controller-operator-history
- **controller_controls_mine:** James G  Bryant → #52 Mine; 1983-09-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James G  Bryant → Bryant Trucking Company Inc; 1983-09-29 to 1984-10-29; source msha-controller-operator-history
- **operator_operates_mine:** Maple Leaf Coal Company Inc → #52 Mine; 1984-10-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Redden Steve W → Maple Leaf Coal Company Inc; 1984-10-30 to current/open; source msha-controller-operator-history