# Relationship history for MSHA mine 1517314

Current hierarchy: **Jerry M  Grant → Mallie Coal Company Inc → #5**

- 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:** Jerry M  Grant → #5; 1992-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mallie Coal Company Inc → #5; 1992-10-01 to 1994-02-15; source msha-controller-operator-history
- **controller_controls_operator:** Jerry M  Grant → Mallie Coal Company Inc; 1992-10-01 to 1994-02-15; source msha-controller-operator-history
- **controller_controls_mine:** Bryant Marion → #5; 1992-10-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Misty Mountain Mining Inc → #5; 1994-02-16 to 1994-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Bryant Marion → Misty Mountain Mining Inc; 1994-02-16 to 1994-07-25; source msha-controller-operator-history
- **operator_operates_mine:** Bubba Coal Company Inc → #5; 1994-07-26 to 1995-08-10; source msha-controller-operator-history
- **controller_controls_mine:** Lawson Paul → #5; 1994-07-26 to 1995-08-10; source msha-controller-operator-history
- **controller_controls_operator:** Lawson Paul → Bubba Coal Company Inc; 1994-07-26 to 1995-08-10; source msha-controller-operator-history
- **operator_operates_mine:** Mallie Coal Company Inc → #5; 1995-08-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry M  Grant → Mallie Coal Company Inc; 1995-08-11 to current/open; source msha-controller-operator-history