# Relationship history for MSHA mine 4608471

Current hierarchy: **Thomas L  Pruitt; William R  King → Emerald Processing L L C → Plant 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:** Emerald Processing Llc → Plant No 2; 1995-02-01 to 1995-07-19; source msha-controller-operator-history
- **controller_controls_mine:** James O  Bunn  et al → Plant No 2; 1995-02-01 to 2008-03-31; source msha-controller-operator-history
- **controller_controls_operator:** James O  Bunn  et al → Emerald Processing Llc; 1995-02-01 to 1995-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Franklin D  Robertson  et al → Emerald Processing Llc; 1995-02-01 to 1995-07-19; source msha-controller-operator-history
- **operator_operates_mine:** Emerald Processing L L C → Plant No 2; 1995-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Thomas L  Pruitt et al → Plant No 2; 1995-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas L  Pruitt et al → Emerald Processing L L C; 1995-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William R  King et al → Emerald Processing L L C; 1995-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Ellis → Plant No 2; 2008-04-01 to 2012-02-29; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Ellis → Emerald Processing Llc; 2008-04-01 to 1995-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Plant No 2; 2012-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Emerald Processing Llc; 2012-03-01 to 1995-07-19; source msha-controller-operator-history