# Relationship history for MSHA mine 4405668

Current hierarchy: **Noah B  Lambert → Trinity Coal Inc → #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

- **controller_controls_mine:** Mullins Larry D & J W Poteet → #1; 1979-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Carl E  McAfee et al → #1; 1980-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** P & M Coal Company → #1; 1981-06-01 to 1982-11-22; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Larry D & J W Poteet → P & M Coal Company; 1981-06-01 to 1982-11-22; source msha-controller-operator-history
- **operator_operates_mine:** Lj'S Coal Corp → #1; 1982-11-23 to 1985-07-18; source msha-controller-operator-history
- **controller_controls_mine:** Aubra P  Dean et al → #1; 1982-11-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aubra P  Dean et al → Lj'S Coal Corp; 1982-11-23 to 1985-07-18; source msha-controller-operator-history
- **controller_controls_operator:** Carl E  McAfee et al → Lj'S Coal Corp; 1982-11-23 to 1985-07-18; source msha-controller-operator-history
- **operator_operates_mine:** Swift Coal Company → #1; 1985-07-19 to 1990-03-20; source msha-controller-operator-history
- **controller_controls_mine:** Williams Garry L → #1; 1985-07-19 to 1990-03-20; source msha-controller-operator-history
- **controller_controls_operator:** Williams Garry L → Swift Coal Company; 1985-07-19 to 1990-03-20; source msha-controller-operator-history
- **operator_operates_mine:** J & T Coal Inc → #1; 1990-03-21 to 1993-05-12; source msha-controller-operator-history
- **controller_controls_operator:** Carl E  McAfee et al → J & T Coal Inc; 1990-03-21 to 1993-05-12; source msha-controller-operator-history
- **controller_controls_operator:** Aubra P  Dean et al → J & T Coal Inc; 1990-03-21 to 1993-05-12; source msha-controller-operator-history
- **operator_operates_mine:** Trinity Coal Inc → #1; 1993-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Noah B  Lambert → #1; 1993-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Noah B  Lambert → Trinity Coal Inc; 1993-05-13 to current/open; source msha-controller-operator-history