# Relationship history for MSHA mine 1517979

Current hierarchy: **Rocky  Maynard; Garrett N  Blackburn → Quality Coal, LLC → Quality 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

- **controller_controls_mine:** Woodman Three Mining Inc → Quality 2; 1974-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anthony  Newsome → Quality 2; 1975-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Danny  Justice → Quality 2; 1992-10-19 to 2004-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Dags Branch Coal Co.,  Inc → Quality 2; 1997-09-01 to 2005-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Justice → Dags Branch Coal Co.,  Inc; 1997-09-01 to 2004-06-30; source msha-controller-operator-history
- **controller_controls_mine:** James L  Griffith → Quality 2; 2004-07-01 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_operator:** James L  Griffith → Dags Branch Coal Co.,  Inc; 2004-07-01 to 2005-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Woodman Three Mine, Inc. → Quality 2; 2005-03-31 to 2021-05-23; source msha-controller-operator-history
- **controller_controls_operator:** Woodman Three Mining Inc → Woodman Three Mine, Inc.; 2005-03-31 to 2021-05-23; source msha-controller-operator-history
- **controller_controls_mine:** James L  Griffith et al → Quality 2; 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 2005-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Herbert R  Hamilton et al → Dags Branch Coal Co.,  Inc; 2015-01-01 to 2005-03-30; source msha-controller-operator-history
- **controller_controls_mine:** James L  Griffith → Quality 2; 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 2005-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Jet Coal Co., Inc. → Quality 2; 2021-05-24 to 2022-01-18; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Newsome → Jet Coal Co., Inc.; 2021-05-24 to 2022-01-18; source msha-controller-operator-history
- **operator_operates_mine:** Quality Coal, LLC → Quality 2; 2022-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rocky  Maynard et al → Quality 2; 2022-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rocky  Maynard et al → Quality Coal, LLC; 2022-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Garrett N  Blackburn et al → Quality Coal, LLC; 2022-01-19 to current/open; source msha-controller-operator-history