# Relationship history for MSHA mine 4406825

Current hierarchy: **J Mark  Campbell → Clintwood Elkhorn Mining Company Inc → Clintwood Elkhorn Mining Mine #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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Woodman Three Mining Inc → Clintwood Elkhorn Mining Mine #2; 1974-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** TECO Energy Inc → Clintwood Elkhorn Mining Mine #2; 1988-04-26 to 2015-09-20; source msha-controller-operator-history
- **controller_controls_mine:** Clinton L  Ramey → Clintwood Elkhorn Mining Mine #2; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** MAPCO Inc → Clintwood Elkhorn Mining Mine #2; 1989-10-25 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Race Fork Coal Corp → Clintwood Elkhorn Mining Mine #2; 1996-01-01 to 1996-05-24; source msha-controller-operator-history
- **controller_controls_operator:** MAPCO Inc → Race Fork Coal Corp; 1996-01-01 to 1996-05-24; source msha-controller-operator-history
- **operator_operates_mine:** Woodman Three Mine Company Inc → Clintwood Elkhorn Mining Mine #2; 1996-05-25 to 1997-12-03; source msha-controller-operator-history
- **controller_controls_operator:** Woodman Three Mining Inc → Woodman Three Mine Company Inc; 1996-05-25 to 1997-12-03; source msha-controller-operator-history
- **controller_controls_mine:** Alliance Resource Partners LP → Clintwood Elkhorn Mining Mine #2; 1996-10-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lucky Mining Inc → Clintwood Elkhorn Mining Mine #2; 1997-12-04 to 1998-09-28; source msha-controller-operator-history
- **controller_controls_mine:** Love L Gene → Clintwood Elkhorn Mining Mine #2; 1997-12-04 to 1998-09-28; source msha-controller-operator-history
- **controller_controls_operator:** Love L Gene → Lucky Mining Inc; 1997-12-04 to 1998-09-28; source msha-controller-operator-history
- **operator_operates_mine:** Race Fork Coal Corp → Clintwood Elkhorn Mining Mine #2; 1998-09-29 to 1999-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Alliance Resource Partners LP → Race Fork Coal Corp; 1998-09-29 to 1999-07-14; source msha-controller-operator-history
- **operator_operates_mine:** Clintwood Elkhorn Mining Company Inc → Clintwood Elkhorn Mining Mine #2; 1999-07-15 to 2000-02-08; source msha-controller-operator-history
- **controller_controls_operator:** TECO Energy Inc → Clintwood Elkhorn Mining Company Inc; 1999-07-15 to 2000-02-08; source msha-controller-operator-history
- **operator_operates_mine:** East Star Mining Inc → Clintwood Elkhorn Mining Mine #2; 2000-02-09 to 2001-02-15; source msha-controller-operator-history
- **controller_controls_operator:** Clinton L  Ramey → East Star Mining Inc; 2000-02-09 to 2001-02-15; source msha-controller-operator-history
- **operator_operates_mine:** Clintwood Elkhorn Mining Company Inc → Clintwood Elkhorn Mining Mine #2; 2001-02-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** TECO Energy Inc → Clintwood Elkhorn Mining Company Inc; 2001-02-16 to 2015-09-20; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → Clintwood Elkhorn Mining Mine #2; 2015-09-21 to 2019-06-15; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Clintwood Elkhorn Mining Company Inc; 2015-09-21 to 2000-02-08; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Clintwood Elkhorn Mining Company Inc; 2015-09-21 to 2019-06-15; source msha-controller-operator-history
- **controller_controls_mine:** J Mark  Campbell → Clintwood Elkhorn Mining Mine #2; 2019-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Mark  Campbell → Clintwood Elkhorn Mining Company Inc; 2019-06-16 to 2000-02-08; source msha-controller-operator-history
- **controller_controls_operator:** J Mark  Campbell → Clintwood Elkhorn Mining Company Inc; 2019-06-16 to current/open; source msha-controller-operator-history