# Relationship history for MSHA mine 4607492

Current hierarchy: **Miller Charles Henry → Henry Miller Coal Company → #3 Mine**

- 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:** Mc Court Loye → #3 Mine; 1976-06-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Redden Steve W → #3 Mine; 1981-06-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Maple Leaf Coal Company Inc → #3 Mine; 1988-03-01 to 1989-05-01; source msha-controller-operator-history
- **controller_controls_operator:** Redden Steve W → Maple Leaf Coal Company Inc; 1988-03-01 to 1989-05-01; source msha-controller-operator-history
- **controller_controls_mine:** Hatcher Rudolf → #3 Mine; 1988-12-05 to 1989-10-19; source msha-controller-operator-history
- **operator_operates_mine:** Health & Safety Training Inc → #3 Mine; 1989-05-02 to 1989-10-19; source msha-controller-operator-history
- **controller_controls_operator:** Hatcher Rudolf → Health & Safety Training Inc; 1989-05-02 to 1989-10-19; source msha-controller-operator-history
- **operator_operates_mine:** K & C Coal Company Inc → #3 Mine; 1989-10-20 to 1990-07-10; source msha-controller-operator-history
- **controller_controls_operator:** Mc Court Loye → K & C Coal Company Inc; 1989-10-20 to 1990-07-10; source msha-controller-operator-history
- **operator_operates_mine:** Amen Coal Company → #3 Mine; 1990-07-11 to 1991-05-21; source msha-controller-operator-history
- **controller_controls_mine:** Mc Graw Patrick → #3 Mine; 1990-07-11 to 1991-05-21; source msha-controller-operator-history
- **controller_controls_operator:** Mc Graw Patrick → Amen Coal Company; 1990-07-11 to 1991-05-21; source msha-controller-operator-history
- **operator_operates_mine:** Henry Miller Coal Company → #3 Mine; 1991-05-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Miller Charles Henry → #3 Mine; 1991-05-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Miller Charles Henry → Henry Miller Coal Company; 1991-05-22 to current/open; source msha-controller-operator-history