# Relationship history for MSHA mine 1519541

Current hierarchy: **James L  Griffith → Dags Branch Coal Co, Inc. → 7-E**

- 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:** Danny  Justice → 7-E; 1992-10-19 to 2004-06-30; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → 7-E; 2000-08-11 to 2019-06-15; source msha-controller-operator-history
- **controller_controls_mine:** James L  Griffith → 7-E; 2004-07-01 to 2014-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Apex Energy, Inc. → 7-E; 2010-10-06 to 2010-12-09; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Apex Energy, Inc.; 2010-10-06 to 2010-12-09; source msha-controller-operator-history
- **operator_operates_mine:** Dags Branch Coal Co, Inc. → 7-E; 2010-12-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Griffith → Dags Branch Coal Co, Inc.; 2010-12-10 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Justice → Dags Branch Coal Co, Inc.; 2010-12-10 to 2004-06-30; source msha-controller-operator-history
- **controller_controls_mine:** James L  Griffith et al → 7-E; 2015-01-01 to 2016-05-25; source msha-controller-operator-history
- **controller_controls_operator:** James L  Griffith et al → Dags Branch Coal Co, Inc.; 2015-01-01 to 2016-05-25; source msha-controller-operator-history
- **controller_controls_operator:** Herbert R  Hamilton et al → Dags Branch Coal Co, Inc.; 2015-01-01 to 2016-05-25; source msha-controller-operator-history
- **controller_controls_mine:** James L  Griffith → 7-E; 2016-05-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James L  Griffith → Dags Branch Coal Co, Inc.; 2016-05-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** J Mark  Campbell → 7-E; 2019-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Mark  Campbell → Apex Energy, Inc.; 2019-06-16 to 2010-12-09; source msha-controller-operator-history