# Relationship history for MSHA mine 1519224

Current hierarchy: **Mark E  Daugherty → R & C Coal, LLC → #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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Ted  Thornsberry et al → #1; 2006-02-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Natural Resource Group LLC → #1; 2008-09-23 to 2008-10-21; source msha-controller-operator-history
- **controller_controls_mine:** Jerry  Stone → #1; 2008-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Stone → Natural Resource Group LLC; 2008-09-23 to 2008-10-21; source msha-controller-operator-history
- **operator_operates_mine:** TRC Mining Corp → #1; 2008-10-22 to 2011-04-13; source msha-controller-operator-history
- **controller_controls_operator:** Ted  Thornsberry et al → TRC Mining Corp; 2008-10-22 to 2011-04-13; source msha-controller-operator-history
- **controller_controls_operator:** Rodney  Bentley et al → TRC Mining Corp; 2008-10-22 to 2011-04-13; source msha-controller-operator-history
- **controller_controls_mine:** George Chris  Waugh → #1; 2010-11-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal Creek Mining, LLC → #1; 2011-04-14 to 2012-11-18; source msha-controller-operator-history
- **controller_controls_operator:** George Chris  Waugh → Coal Creek Mining, LLC; 2011-04-14 to 2012-11-18; source msha-controller-operator-history
- **controller_controls_mine:** James L  Bevins et al → #1; 2012-01-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** CBL Mining LLC → #1; 2012-11-19 to 2013-12-12; source msha-controller-operator-history
- **controller_controls_operator:** James L  Bevins et al → CBL Mining LLC; 2012-11-19 to 2013-12-12; source msha-controller-operator-history
- **controller_controls_operator:** James D  Dotson et al → CBL Mining LLC; 2012-11-19 to 2013-12-12; source msha-controller-operator-history
- **controller_controls_operator:** Earl  Jones et al → CBL Mining LLC; 2012-11-19 to 2013-12-12; source msha-controller-operator-history
- **operator_operates_mine:** R & C Coal, LLC → #1; 2013-12-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ronald  Wright et al → #1; 2013-12-13 to 2014-01-14; source msha-controller-operator-history
- **controller_controls_operator:** Ronald  Wright et al → R & C Coal, LLC; 2013-12-13 to 2014-01-14; source msha-controller-operator-history
- **controller_controls_operator:** John C  Biliter et al → R & C Coal, LLC; 2013-12-13 to 2014-01-14; source msha-controller-operator-history
- **controller_controls_mine:** Ronald  Wright → #1; 2014-01-15 to 2014-03-25; source msha-controller-operator-history
- **controller_controls_operator:** Ronald  Wright → R & C Coal, LLC; 2014-01-15 to 2014-03-25; source msha-controller-operator-history
- **controller_controls_mine:** Mark E  Daugherty → #1; 2014-03-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark E  Daugherty → R & C Coal, LLC; 2014-03-26 to current/open; source msha-controller-operator-history