# Relationship history for MSHA mine 1513165

Current hierarchy: **Mullins White Jr & James D Mc Intyre → Big Mac Coal Company Inc → No 2**

- 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:** C & M Coal Company Inc → No 2; 1981-10-01 to 1984-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Cox Lakewood → No 2; 1981-10-01 to 1984-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Cox Lakewood → C & M Coal Company Inc; 1981-10-01 to 1984-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Mullins White Jr & James D Mc Intyre → No 2; 1983-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hilltop Mining Inc → No 2; 1984-10-10 to 1986-03-10; source msha-controller-operator-history
- **controller_controls_mine:** Mc Daries Kenneth → No 2; 1984-10-10 to 1986-03-10; source msha-controller-operator-history
- **controller_controls_operator:** Mc Daries Kenneth → Hilltop Mining Inc; 1984-10-10 to 1986-03-10; source msha-controller-operator-history
- **operator_operates_mine:** Big Mac Coal Company Inc → No 2; 1986-03-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mullins White Jr & James D Mc Intyre → Big Mac Coal Company Inc; 1986-03-11 to current/open; source msha-controller-operator-history