# Relationship history for MSHA mine 4609366

Current hierarchy: **James C  Justice III → A&G Coal Corporation → HWM System 23001**

- 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

- **controller_controls_mine:** Jerry W  Wharton → HWM System 23001; 1990-09-01 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice II et al → HWM System 23001; 2009-04-30 to 2017-03-26; source msha-controller-operator-history
- **operator_operates_mine:** Mining Services, LLC → HWM System 23001; 2010-01-24 to 2014-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Patricia  Dyer et al → HWM System 23001; 2010-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patricia  Dyer et al → Mining Services, LLC; 2010-01-24 to 2014-03-30; source msha-controller-operator-history
- **controller_controls_operator:** John  Dyer et al → Mining Services, LLC; 2010-01-24 to 2014-03-30; source msha-controller-operator-history
- **operator_operates_mine:** A&G Coal Corporation → HWM System 23001; 2014-03-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry W  Wharton → A&G Coal Corporation; 2014-03-31 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → A&G Coal Corporation; 2014-03-31 to 2017-03-26; source msha-controller-operator-history
- **controller_controls_mine:** Jillean L  Justice et al → HWM System 23001; 2017-03-27 to 2022-10-02; source msha-controller-operator-history
- **controller_controls_operator:** Jillean L  Justice et al → A&G Coal Corporation; 2017-03-27 to 2022-10-02; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice lll et al → A&G Coal Corporation; 2017-03-27 to 2022-10-02; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice III → HWM System 23001; 2022-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice III → A&G Coal Corporation; 2022-10-03 to current/open; source msha-controller-operator-history