# Relationship history for MSHA mine 4607709

Current hierarchy: **Keeney Timothy A → Level Land Mining Corp → Mullens Surface (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

- **controller_controls_mine:** Maplewood Mining Company Inc → Mullens Surface (2); 1984-02-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Maplewood Mining Company Inc → Mullens Surface (2); 1989-05-01 to 1991-01-01; source msha-controller-operator-history
- **controller_controls_operator:** Maplewood Mining Company Inc → Maplewood Mining Company Inc; 1989-05-01 to 1991-01-01; source msha-controller-operator-history
- **controller_controls_mine:** Hinkle Spurgeon → Mullens Surface (2); 1990-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jinxs Mining Inc → Mullens Surface (2); 1991-01-02 to 1993-06-20; source msha-controller-operator-history
- **controller_controls_operator:** Hinkle Spurgeon → Jinxs Mining Inc; 1991-01-02 to 1993-06-20; source msha-controller-operator-history
- **controller_controls_mine:** Keeney Timothy A → Mullens Surface (2); 1992-06-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Level Land Mining Corp → Mullens Surface (2); 1993-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Keeney Timothy A → Level Land Mining Corp; 1993-06-21 to current/open; source msha-controller-operator-history