# Relationship history for MSHA mine 1507305

Current hierarchy: **Douglas  Vaughn → Honey Hole LLC → Honey Hole LLC**

- 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

- **operator_operates_mine:** Western Bulkcoal Inc → Honey Hole LLC; 1977-03-01 to 1982-01-04; source msha-controller-operator-history
- **controller_controls_mine:** Albert O  Helter → Honey Hole LLC; 1977-03-01 to 1982-01-04; source msha-controller-operator-history
- **controller_controls_operator:** Albert O  Helter → Western Bulkcoal Inc; 1977-03-01 to 1982-01-04; source msha-controller-operator-history
- **operator_operates_mine:** Glen Eagle Coal Company → Honey Hole LLC; 1982-01-05 to 1984-02-13; source msha-controller-operator-history
- **controller_controls_mine:** EEI Energy Inc → Honey Hole LLC; 1982-01-05 to 1984-02-13; source msha-controller-operator-history
- **controller_controls_operator:** EEI Energy Inc → Glen Eagle Coal Company; 1982-01-05 to 1984-02-13; source msha-controller-operator-history
- **operator_operates_mine:** J & A Coal Processing Inc → Honey Hole LLC; 1984-02-14 to 1986-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Roger W  Ayers → Honey Hole LLC; 1984-02-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger W  Ayers → J & A Coal Processing Inc; 1984-02-14 to 1986-01-15; source msha-controller-operator-history
- **operator_operates_mine:** J & A Coal Processing Company Inc → Honey Hole LLC; 1986-01-16 to 1988-08-15; source msha-controller-operator-history
- **controller_controls_mine:** William R  Cook → Honey Hole LLC; 1986-01-16 to 1988-08-15; source msha-controller-operator-history
- **controller_controls_operator:** William R  Cook → J & A Coal Processing Company Inc; 1986-01-16 to 1988-08-15; source msha-controller-operator-history
- **operator_operates_mine:** Denham & Lewis Processing Inc → Honey Hole LLC; 1988-08-16 to 1990-08-27; source msha-controller-operator-history
- **controller_controls_mine:** Charles R  Denham et al → Honey Hole LLC; 1988-08-16 to 1990-08-27; source msha-controller-operator-history
- **controller_controls_operator:** Charles R  Denham et al → Denham & Lewis Processing Inc; 1988-08-16 to 1990-08-27; source msha-controller-operator-history
- **operator_operates_mine:** Ruby Coal Of London Inc → Honey Hole LLC; 1990-08-28 to 2006-03-07; source msha-controller-operator-history
- **controller_controls_mine:** Wendell  Elza → Honey Hole LLC; 1990-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wendell  Elza → Ruby Coal Of London Inc; 1990-08-28 to 2006-03-07; source msha-controller-operator-history
- **operator_operates_mine:** Honey Hole LLC → Honey Hole LLC; 2006-03-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ronald  Centers et al → Honey Hole LLC; 2006-03-08 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Ronald  Centers et al → Honey Hole LLC; 2006-03-08 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Doug  Vaughn et al → Honey Hole LLC; 2006-03-08 to 2009-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Douglas  Vaughn → Honey Hole LLC; 2009-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Douglas  Vaughn → Honey Hole LLC; 2009-07-20 to current/open; source msha-controller-operator-history