# Relationship history for MSHA mine 4405143

Current hierarchy: **Bowen John E → Bowen-Pope Coal Company Inc → No 1 Strip**

- 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:** Pope Coal Company → No 1 Strip; 1978-12-01 to 1979-10-07; source msha-controller-operator-history
- **controller_controls_mine:** Lewis Moran & Dayton Pope → No 1 Strip; 1978-12-01 to 1979-10-07; source msha-controller-operator-history
- **controller_controls_operator:** Lewis Moran & Dayton Pope → Pope Coal Company; 1978-12-01 to 1979-10-07; source msha-controller-operator-history
- **operator_operates_mine:** Bowen-Pope Coal Company Inc → No 1 Strip; 1979-10-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bowen John E → No 1 Strip; 1979-10-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bowen John E → Bowen-Pope Coal Company Inc; 1979-10-08 to current/open; source msha-controller-operator-history