# Relationship history for MSHA mine 1518130

Current hierarchy: **Kenny  Fleming; Robert B  Hughes → Black Energy Coal, Inc. → 4**

- 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:** Terry L  Matney → 4; 1984-04-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Childress et al → 4; 1996-03-01 to 2000-11-29; source msha-controller-operator-history
- **operator_operates_mine:** Childress Construction & Trucking → 4; 1999-01-01 to 2000-02-16; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Childress et al → Childress Construction & Trucking; 1999-01-01 to 2000-02-16; source msha-controller-operator-history
- **operator_operates_mine:** P M C Coal Company Inc → 4; 2000-02-17 to 2001-11-07; source msha-controller-operator-history
- **controller_controls_operator:** Terry L  Matney → P M C Coal Company Inc; 2000-02-17 to 2001-11-07; source msha-controller-operator-history
- **controller_controls_mine:** Kenny  Fleming  et al → 4; 2001-07-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** ARC Envirochem, LLC → 4; 2001-10-16 to 2003-02-24; source msha-controller-operator-history
- **controller_controls_mine:** Carl  C  Robinson Jr et al → 4; 2001-10-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl  C  Robinson Jr et al → ARC Envirochem, LLC; 2001-10-16 to 2003-02-24; source msha-controller-operator-history
- **controller_controls_operator:** Ralph C  Robinson et al → ARC Envirochem, LLC; 2001-10-16 to 2003-02-24; source msha-controller-operator-history
- **operator_operates_mine:** Black Energy Coal, Inc. → 4; 2003-02-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenny  Fleming  et al → Black Energy Coal, Inc.; 2003-02-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert B  Hughes et al → Black Energy Coal, Inc.; 2003-02-25 to current/open; source msha-controller-operator-history