# Relationship history for MSHA mine 4406869

Current hierarchy: **James C  Justice III → A & G Coal Corporation → Sigmon Strip #23**

- 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:** Jerry W  Wharton → Sigmon Strip #23; 1990-09-01 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Thomas King  Evans → Sigmon Strip #23; 1992-10-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** T & T Fuels Inc → Sigmon Strip #23; 1997-04-01 to 1998-09-02; source msha-controller-operator-history
- **controller_controls_operator:** Thomas King  Evans → T & T Fuels Inc; 1997-04-01 to 1998-09-02; source msha-controller-operator-history
- **operator_operates_mine:** Marion Energy LLC. → Sigmon Strip #23; 1998-09-03 to 2007-01-09; source msha-controller-operator-history
- **controller_controls_mine:** James A  Sigmon → Sigmon Strip #23; 1998-09-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Marion Energy LLC.; 1998-09-03 to 2007-01-09; source msha-controller-operator-history
- **controller_controls_mine:** Rifle Coal Company et al → Sigmon Strip #23; 2000-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Associated Contracting LLC → Sigmon Strip #23; 2007-01-10 to 2007-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Rifle Coal Company et al → Associated Contracting LLC; 2007-01-10 to 2007-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Frederick et al → Associated Contracting LLC; 2007-01-10 to 2007-04-03; source msha-controller-operator-history
- **operator_operates_mine:** A & G Coal Corporation → Sigmon Strip #23; 2007-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry W  Wharton → A & G Coal Corporation; 2007-04-04 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** James C  Justice II et al → Sigmon Strip #23; 2009-04-30 to 2017-03-26; source msha-controller-operator-history
- **controller_controls_operator:** James C  Justice II et al → A & G Coal Corporation; 2009-04-30 to 2017-03-26; source msha-controller-operator-history
- **controller_controls_mine:** Jillean L  Justice et al → Sigmon Strip #23; 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 → Sigmon Strip #23; 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