# Relationship history for MSHA mine 4605354

Current hierarchy: **Larry A  Lough; Lewis E  Addair → Burke Mountain Trucking Company Inc → 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

- **operator_operates_mine:** Apex Coal Corp → No 1; 1976-10-08 to 1985-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Falgiani Phillip → No 1; 1976-10-08 to 1987-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Falgiani Phillip → Apex Coal Corp; 1976-10-08 to 1985-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Burke Mountain Trucking Company Inc → No 1; 1985-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Larry A  Lough et al → No 1; 1985-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry A  Lough et al → Burke Mountain Trucking Company Inc; 1985-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lewis E  Addair et al → Burke Mountain Trucking Company Inc; 1985-05-01 to current/open; source msha-controller-operator-history