# Relationship history for MSHA mine 1504633

Current hierarchy: **James L  Bevins → Fools Gold Energy Corp → No 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Mc Coy Elkhorn Coal Corp → No 2; 1950-01-01 to 1982-04-29; source msha-controller-operator-history
- **controller_controls_mine:** General Energy Corp → No 2; 1950-01-01 to 1982-04-29; source msha-controller-operator-history
- **controller_controls_operator:** General Energy Corp → Mc Coy Elkhorn Coal Corp; 1950-01-01 to 1982-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Williams Companies Inc → No 2; 1982-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mc Coy Elkhorn Coal Corp → No 2; 1982-04-30 to 1988-10-12; source msha-controller-operator-history
- **controller_controls_operator:** Williams Companies Inc → Mc Coy Elkhorn Coal Corp; 1982-04-30 to 1988-10-12; source msha-controller-operator-history
- **controller_controls_mine:** Dawson Fred → No 2; 1984-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James River Coal Company → No 2; 1988-09-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Steven Lee Enterprises → No 2; 1988-10-13 to 1989-01-29; source msha-controller-operator-history
- **controller_controls_operator:** Dawson Fred → Steven Lee Enterprises; 1988-10-13 to 1989-01-29; source msha-controller-operator-history
- **operator_operates_mine:** Mc Coy Elkhorn Coal Corp → No 2; 1989-01-30 to 1989-02-12; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → Mc Coy Elkhorn Coal Corp; 1989-01-30 to 1989-02-12; source msha-controller-operator-history
- **operator_operates_mine:** Calvery Mining Inc → No 2; 1989-02-13 to 1989-03-12; source msha-controller-operator-history
- **controller_controls_mine:** Slone James → No 2; 1989-02-13 to 1989-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Slone James → Calvery Mining Inc; 1989-02-13 to 1989-03-12; source msha-controller-operator-history
- **operator_operates_mine:** Mc Coy Elkhorn Coal Corp → No 2; 1989-03-13 to 1989-09-21; source msha-controller-operator-history
- **controller_controls_operator:** James River Coal Company → Mc Coy Elkhorn Coal Corp; 1989-03-13 to 1989-09-21; source msha-controller-operator-history
- **controller_controls_mine:** James L  Bevins → No 2; 1989-04-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C & R Coal Company Inc → No 2; 1989-09-22 to 1989-10-24; source msha-controller-operator-history
- **controller_controls_mine:** Compton Carolyn → No 2; 1989-09-22 to 1994-05-19; source msha-controller-operator-history
- **controller_controls_operator:** Compton Carolyn → C & R Coal Company Inc; 1989-09-22 to 1989-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Fools Gold Energy Corp → No 2; 1989-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Bevins → Fools Gold Energy Corp; 1989-10-25 to current/open; source msha-controller-operator-history