# Relationship history for MSHA mine 1519725

Current hierarchy: **American Resources Corporation → Deane Mining LLC → Razorblade Auger**

- 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:** Wexford Capital LLC → Razorblade Auger; 2008-02-08 to 2010-10-04; source msha-controller-operator-history
- **controller_controls_mine:** William A  Stephens et al → Razorblade Auger; 2008-12-02 to 2015-04-24; source msha-controller-operator-history
- **controller_controls_mine:** Rhino Resource Partners LP → Razorblade Auger; 2010-10-05 to 2015-12-29; source msha-controller-operator-history
- **operator_operates_mine:** Augustus Augering and Contracting Inc → Razorblade Auger; 2013-11-05 to 2018-08-15; source msha-controller-operator-history
- **controller_controls_operator:** William A  Stephens et al → Augustus Augering and Contracting Inc; 2013-11-05 to 2015-04-24; source msha-controller-operator-history
- **controller_controls_mine:** David A  Lester et al → Razorblade Auger; 2015-04-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David A  Lester et al → Augustus Augering and Contracting Inc; 2015-04-25 to 2018-08-15; source msha-controller-operator-history
- **controller_controls_operator:** Karen A  Stephens et al → Augustus Augering and Contracting Inc; 2015-04-25 to 2018-08-15; source msha-controller-operator-history
- **controller_controls_operator:** Melodye G  Stephens et al → Augustus Augering and Contracting Inc; 2015-04-25 to 2018-08-15; source msha-controller-operator-history
- **controller_controls_mine:** Quest Energy Corporation → Razorblade Auger; 2015-12-30 to 2017-01-04; source msha-controller-operator-history
- **controller_controls_mine:** American Resources Corporation → Razorblade Auger; 2017-01-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Deane Mining LLC → Razorblade Auger; 2018-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wexford Capital LLC → Deane Mining LLC; 2018-08-16 to 2010-10-04; source msha-controller-operator-history
- **controller_controls_operator:** Rhino Resource Partners LP → Deane Mining LLC; 2018-08-16 to 2015-12-29; source msha-controller-operator-history
- **controller_controls_operator:** Quest Energy Corporation → Deane Mining LLC; 2018-08-16 to 2017-01-04; source msha-controller-operator-history
- **controller_controls_operator:** American Resources Corporation → Deane Mining LLC; 2018-08-16 to current/open; source msha-controller-operator-history