# Relationship history for MSHA mine 1519461

Current hierarchy: **Steve  Allen; Philip  Marsh → Liberty Management, L.L.C. → Bear Branch**

- 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:** William A  Stephens et al → Bear Branch; 2008-12-02 to 2015-04-24; source msha-controller-operator-history
- **controller_controls_mine:** Gerald K  Thacker → Bear Branch; 2009-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** The IBCS Group Inc → Bear Branch; 2009-10-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** TLT Resources Corporation → Bear Branch; 2010-01-19 to 2012-01-08; source msha-controller-operator-history
- **controller_controls_operator:** Gerald K  Thacker → TLT Resources Corporation; 2010-01-19 to 2012-01-08; source msha-controller-operator-history
- **operator_operates_mine:** Augustus Augering and Contracting Inc → Bear Branch; 2012-01-09 to 2014-08-04; source msha-controller-operator-history
- **controller_controls_operator:** William A  Stephens et al → Augustus Augering and Contracting Inc; 2012-01-09 to 2014-08-04; source msha-controller-operator-history
- **controller_controls_mine:** Jerry Keith  McPeek et al → Bear Branch; 2012-06-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Storm Energy, LLC → Bear Branch; 2014-08-05 to 2014-10-08; source msha-controller-operator-history
- **controller_controls_operator:** Jerry Keith  McPeek et al → Black Storm Energy, LLC; 2014-08-05 to 2014-10-08; source msha-controller-operator-history
- **controller_controls_operator:** Eric  McPeek et al → Black Storm Energy, LLC; 2014-08-05 to 2014-10-08; source msha-controller-operator-history
- **operator_operates_mine:** IBCS Mining Inc KY Division → Bear Branch; 2014-10-09 to 2015-02-12; source msha-controller-operator-history
- **controller_controls_operator:** The IBCS Group Inc → IBCS Mining Inc KY Division; 2014-10-09 to 2015-02-12; source msha-controller-operator-history
- **operator_operates_mine:** Liberty Management, L.L.C. → Bear Branch; 2015-02-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Allen et al → Bear Branch; 2015-02-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Allen et al → Liberty Management, L.L.C.; 2015-02-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Philip  Marsh et al → Liberty Management, L.L.C.; 2015-02-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Melodye G  Stephens et al → Bear Branch; 2015-04-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Melodye G  Stephens et al → Augustus Augering and Contracting Inc; 2015-04-25 to 2014-08-04; source msha-controller-operator-history
- **controller_controls_operator:** David A  Lester et al → Augustus Augering and Contracting Inc; 2015-04-25 to 2014-08-04; source msha-controller-operator-history
- **controller_controls_operator:** Karen A  Stephens et al → Augustus Augering and Contracting Inc; 2015-04-25 to 2014-08-04; source msha-controller-operator-history