# Relationship history for MSHA mine 1515289

Current hierarchy: **American Resources Corporation → Quest Energy Corp. → Hollybush 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

- **operator_operates_mine:** Beech Tree Mining → Hollybush Mine; 1985-07-01 to 1987-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Clifford  Jones et al → Hollybush Mine; 1985-07-01 to 1987-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Clifford  Jones et al → Beech Tree Mining; 1985-07-01 to 1987-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Hollybush Coal Company Inc → Hollybush Mine; 1987-06-01 to 1989-06-25; source msha-controller-operator-history
- **controller_controls_mine:** Johnny  Walker → Hollybush Mine; 1987-06-01 to 1989-06-25; source msha-controller-operator-history
- **controller_controls_operator:** Johnny  Walker → Hollybush Coal Company Inc; 1987-06-01 to 1989-06-25; source msha-controller-operator-history
- **controller_controls_mine:** Shell Oil Company → Hollybush Mine; 1987-06-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Knott County Coal Company → Hollybush Mine; 1989-06-26 to 1992-11-22; source msha-controller-operator-history
- **controller_controls_operator:** Shell Oil Company → Knott County Coal Company; 1989-06-26 to 1992-11-22; source msha-controller-operator-history
- **operator_operates_mine:** Knott County Mining Company → Hollybush Mine; 1992-11-23 to 1998-09-01; source msha-controller-operator-history
- **controller_controls_mine:** Zeigler Coal Holding Company → Hollybush Mine; 1992-11-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Zeigler Coal Holding Company → Knott County Mining Company; 1992-11-23 to 1998-09-01; source msha-controller-operator-history
- **controller_controls_mine:** Hansel D  Fleming → Hollybush Mine; 1993-05-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Knott County Mining Co. → Hollybush Mine; 1998-09-02 to 1999-10-07; source msha-controller-operator-history
- **controller_controls_mine:** Horizon Natural Resources Incorporated → Hollybush Mine; 1998-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Horizon Natural Resources Incorporated → Knott County Mining Co.; 1998-09-02 to 1999-10-07; source msha-controller-operator-history
- **operator_operates_mine:** Fleming Enterprises Inc → Hollybush Mine; 1999-10-08 to 2000-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Hansel D  Fleming → Fleming Enterprises Inc; 1999-10-08 to 2000-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Purity Fuels Corp → Hollybush Mine; 2000-09-01 to 2001-05-03; source msha-controller-operator-history
- **controller_controls_mine:** Benjamin  Hampton → Hollybush Mine; 2000-09-01 to 2001-05-03; source msha-controller-operator-history
- **controller_controls_operator:** Benjamin  Hampton → Purity Fuels Corp; 2000-09-01 to 2001-05-03; source msha-controller-operator-history
- **operator_operates_mine:** Knott County Mining Company → Hollybush Mine; 2001-05-04 to 2004-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Horizon Natural Resources Incorporated → Knott County Mining Company; 2001-05-04 to 2004-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Quest Energy Corp. → Hollybush Mine; 2004-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** International Coal Group Inc (ICG) → Hollybush Mine; 2004-10-01 to 2011-06-14; source msha-controller-operator-history
- **controller_controls_operator:** International Coal Group Inc (ICG) → Quest Energy Corp.; 2004-10-01 to 2011-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Hollybush Mine; 2011-06-15 to 2016-04-11; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Quest Energy Corp.; 2011-06-15 to 2016-04-11; source msha-controller-operator-history
- **controller_controls_mine:** Quest Energy Corporation → Hollybush Mine; 2016-04-12 to 2017-01-04; source msha-controller-operator-history
- **controller_controls_operator:** Quest Energy Corporation → Quest Energy Corp.; 2016-04-12 to 2017-01-04; source msha-controller-operator-history
- **controller_controls_mine:** American Resources Corporation → Hollybush Mine; 2017-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** American Resources Corporation → Quest Energy Corp.; 2017-01-05 to current/open; source msha-controller-operator-history