# Relationship history for MSHA mine 4609383

Current hierarchy: **David J Stone → SNR Logan LLC → Mine No 1**

- 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

- **operator_operates_mine:** DB Coal Mining, LLC → Mine No 1; 2010-09-01 to 2013-12-30; source msha-controller-operator-history
- **controller_controls_mine:** RDB Energy LLC et al → Mine No 1; 2010-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** RDB Energy LLC et al → DB Coal Mining, LLC; 2010-09-01 to 2013-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Kansas Coal LLC et al → DB Coal Mining, LLC; 2010-09-01 to 2013-12-30; source msha-controller-operator-history
- **controller_controls_operator:** Douglas  Livingston et al → DB Coal Mining, LLC; 2010-09-01 to 2013-12-30; source msha-controller-operator-history
- **controller_controls_mine:** Dennis  Johnson → Mine No 1; 2013-01-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cline Coal Company, Inc. → Mine No 1; 2013-12-31 to 2014-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Phillip M Cline → Mine No 1; 2013-12-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Phillip M Cline → Cline Coal Company, Inc.; 2013-12-31 to 2014-05-26; source msha-controller-operator-history
- **operator_operates_mine:** Appalachian Mining and Reclamation, LLC → Mine No 1; 2014-05-27 to 2017-08-17; source msha-controller-operator-history
- **controller_controls_operator:** Dennis  Johnson → Appalachian Mining and Reclamation, LLC; 2014-05-27 to 2017-08-17; source msha-controller-operator-history
- **operator_operates_mine:** SNR Logan LLC → Mine No 1; 2017-08-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David J Stone → Mine No 1; 2017-08-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David J Stone → SNR Logan LLC; 2017-08-18 to current/open; source msha-controller-operator-history