# Relationship history for MSHA mine 1516036

Current hierarchy: **James River Coal Company → McCoy Elkhorn Coal Corp → Mine #26**

- 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:** Ingram Industries → Mine #26; 1979-04-09 to 1992-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Desparado Fuels Inc → Mine #26; 1987-05-01 to 1989-07-13; source msha-controller-operator-history
- **controller_controls_mine:** John F  Stapleton → Mine #26; 1987-05-01 to 1990-04-30; source msha-controller-operator-history
- **controller_controls_operator:** John F  Stapleton → Desparado Fuels Inc; 1987-05-01 to 1989-07-13; source msha-controller-operator-history
- **controller_controls_mine:** Stanley W Osborne → Mine #26; 1988-02-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James River Coal Company → Mine #26; 1988-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James L  Bevins → Mine #26; 1989-04-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Laurel Ridge Coal Company Inc → Mine #26; 1989-07-14 to 1991-06-19; source msha-controller-operator-history
- **controller_controls_operator:** Stanley W Osborne → Laurel Ridge Coal Company Inc; 1989-07-14 to 1991-06-19; source msha-controller-operator-history
- **operator_operates_mine:** Johns Creek Coal Company → Mine #26; 1991-06-20 to 1992-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Ingram Industries → Johns Creek Coal Company; 1991-06-20 to 1992-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Mc Coy Elkhorn Coal Corp → Mine #26; 1992-03-09 to 1999-01-06; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → Mc Coy Elkhorn Coal Corp; 1992-03-09 to 1999-01-06; source msha-controller-operator-history
- **operator_operates_mine:** Fools Gold Energy Corp → Mine #26; 1999-01-07 to 2004-10-11; source msha-controller-operator-history
- **controller_controls_operator:** James L  Bevins → Fools Gold Energy Corp; 1999-01-07 to 2004-10-11; source msha-controller-operator-history
- **operator_operates_mine:** McCoy Elkhorn Coal Corp → Mine #26; 2004-10-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → McCoy Elkhorn Coal Corp; 2004-10-12 to current/open; source msha-controller-operator-history