# Relationship history for MSHA mine 4003279

Current hierarchy: **James C  Justice III → Premium Coal → Mine No 17**

- 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:** Robert  Swisher et al → Mine No 17; 1950-01-01 to 2008-09-11; source msha-controller-operator-history
- **controller_controls_mine:** National Coal Corporation → Mine No 17; 2003-05-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** National Coal Corporation → Mine No 17; 2006-06-15 to 2010-06-30; source msha-controller-operator-history
- **controller_controls_operator:** National Coal Corporation → National Coal Corporation; 2006-06-15 to 2010-06-30; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice II et al → Mine No 17; 2008-09-12 to 2017-05-03; source msha-controller-operator-history
- **operator_operates_mine:** Premium Coal → Mine No 17; 2010-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Swisher et al → Premium Coal; 2010-07-01 to 2008-09-11; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → Premium Coal; 2010-07-01 to 2017-05-03; source msha-controller-operator-history
- **controller_controls_mine:** Jillean L  Justice et al → Mine No 17; 2017-05-04 to 2022-08-23; source msha-controller-operator-history
- **controller_controls_operator:** Jillean L  Justice et al → Premium Coal; 2017-05-04 to 2022-08-23; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice lll et al → Premium Coal; 2017-05-04 to 2022-08-23; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice III → Mine No 17; 2022-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice III → Premium Coal; 2022-08-24 to current/open; source msha-controller-operator-history