# Relationship history for MSHA mine 4405854

Current hierarchy: **Meade Vester-Clifford Davis → Morning Glory Coal Company → 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:** Morning Glory Coal Corp → No 1 Strip; 1982-03-01 to 1983-04-18; source msha-controller-operator-history
- **controller_controls_mine:** Burke Pete → No 1 Strip; 1982-03-01 to 1983-04-18; source msha-controller-operator-history
- **controller_controls_operator:** Burke Pete → Morning Glory Coal Corp; 1982-03-01 to 1983-04-18; source msha-controller-operator-history
- **operator_operates_mine:** Morning Glory Coal Company → No 1 Strip; 1983-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Meade Vester-Clifford Davis Et Al → No 1 Strip; 1983-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Meade Vester-Clifford Davis Et Al → Morning Glory Coal Company; 1983-04-19 to current/open; source msha-controller-operator-history