# Relationship history for MSHA mine 1517954

Current hierarchy: **James H  Booth → Beech Fork Processing LLC → Prep Plant #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

- **controller_controls_mine:** Richard L  Cooper → Prep Plant #2; 1987-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → Prep Plant #2; 1987-07-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Southern Processing Enterprises Inc → Prep Plant #2; 1997-06-01 to 1998-03-12; source msha-controller-operator-history
- **controller_controls_mine:** Joe (John J)  Childress et al → Prep Plant #2; 1997-06-01 to 1998-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Joe (John J)  Childress et al → Southern Processing Enterprises Inc; 1997-06-01 to 1998-03-12; source msha-controller-operator-history
- **operator_operates_mine:** Richardson Fuel Inc → Prep Plant #2; 1998-03-13 to 1999-12-03; source msha-controller-operator-history
- **controller_controls_operator:** Richard L  Cooper → Richardson Fuel Inc; 1998-03-13 to 1999-12-03; source msha-controller-operator-history
- **operator_operates_mine:** Levisa Fork Mining Company → Prep Plant #2; 1999-12-04 to 2002-12-29; source msha-controller-operator-history
- **controller_controls_mine:** Pen Holdings Inc → Prep Plant #2; 1999-12-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pen Holdings Inc → Levisa Fork Mining Company; 1999-12-04 to 2002-12-29; source msha-controller-operator-history
- **operator_operates_mine:** Argus Energy, LLC → Prep Plant #2; 2002-12-30 to 2002-12-30; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → Prep Plant #2; 2002-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Argus Energy, LLC; 2002-12-30 to 2002-12-30; source msha-controller-operator-history
- **operator_operates_mine:** Beech Fork Processing LLC → Prep Plant #2; 2002-12-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Beech Fork Processing LLC; 2002-12-31 to current/open; source msha-controller-operator-history