# Relationship history for MSHA mine 1515746

Current hierarchy: **Dean  Francis → A & A Francis Energy Inc → #3**

- 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:** Tim Doug  Johnson → #3; 1984-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joby  Fields → #3; 1984-05-01 to 1995-05-11; source msha-controller-operator-history
- **controller_controls_mine:** Massey Energy Company → #3; 1984-10-04 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Chloe Ridge Coal Company Inc → #3; 1986-09-01 to 1989-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Tim Doug  Johnson → Chloe Ridge Coal Company Inc; 1986-09-01 to 1989-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Dean  Francis → #3; 1987-01-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Conakay Resources Inc → #3; 1989-10-10 to 1995-05-11; source msha-controller-operator-history
- **controller_controls_operator:** Joby  Fields → Conakay Resources Inc; 1989-10-10 to 1995-05-11; source msha-controller-operator-history
- **controller_controls_mine:** Williams Darrell → #3; 1992-01-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Solid Energy Mining Company → #3; 1995-05-12 to 1996-03-11; source msha-controller-operator-history
- **controller_controls_operator:** Massey Energy Company → Solid Energy Mining Company; 1995-05-12 to 1996-03-11; source msha-controller-operator-history
- **operator_operates_mine:** Narrows Branch Coal Inc → #3; 1996-03-12 to 1996-08-01; source msha-controller-operator-history
- **controller_controls_operator:** Williams Darrell → Narrows Branch Coal Inc; 1996-03-12 to 1996-08-01; source msha-controller-operator-history
- **operator_operates_mine:** M R M Mining Company Inc → #3; 1996-08-02 to 1997-04-03; source msha-controller-operator-history
- **controller_controls_mine:** Mullins Dale & Tom Et Al → #3; 1996-08-02 to 1997-05-04; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Dale & Tom Et Al → M R M Mining Company Inc; 1996-08-02 to 1997-04-03; source msha-controller-operator-history
- **operator_operates_mine:** A & A Francis Energy Inc → #3; 1997-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dean  Francis → A & A Francis Energy Inc; 1997-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources, Inc. → #3; 2011-06-01 to 2016-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Solid Energy Mining Company; 2011-06-01 to 1996-03-11; source msha-controller-operator-history
- **controller_controls_mine:** Alpha Natural Resources Holdings, Inc → #3; 2016-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources Holdings, Inc → Solid Energy Mining Company; 2016-07-26 to 1996-03-11; source msha-controller-operator-history