# Relationship history for MSHA mine 1202361

Current hierarchy: **Karen A  Stephens; Melodye G  Stephens; David A  Lester → Augustus Augering & Contracting Inc. → Auger #26**

- 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:** David C  Gummere → Auger #26; 2003-10-10 to 2006-07-19; source msha-controller-operator-history
- **operator_operates_mine:** North American Auger Mining Inc → Auger #26; 2004-05-21 to 2014-07-14; source msha-controller-operator-history
- **controller_controls_operator:** David C  Gummere → North American Auger Mining Inc; 2004-05-21 to 2006-07-19; source msha-controller-operator-history
- **controller_controls_mine:** D Kent  Glover → Auger #26; 2006-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** D Kent  Glover → North American Auger Mining Inc; 2006-07-20 to 2014-07-14; source msha-controller-operator-history
- **controller_controls_mine:** William A  Stephens et al → Auger #26; 2008-12-02 to 2015-04-24; source msha-controller-operator-history
- **operator_operates_mine:** Pike County Energy Resources, Inc. → Auger #26; 2014-07-15 to 2016-10-11; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Edmonds → Auger #26; 2014-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Edmonds → Pike County Energy Resources, Inc.; 2014-07-15 to 2016-10-11; source msha-controller-operator-history
- **controller_controls_mine:** Melodye G  Stephens et al → Auger #26; 2015-04-25 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Augustus Augering & Contracting Inc. → Auger #26; 2016-10-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William A  Stephens et al → Augustus Augering & Contracting Inc.; 2016-10-12 to 2015-04-24; source msha-controller-operator-history
- **controller_controls_operator:** Melodye G  Stephens et al → Augustus Augering & Contracting Inc.; 2016-10-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Karen A  Stephens et al → Augustus Augering & Contracting Inc.; 2016-10-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David A  Lester et al → Augustus Augering & Contracting Inc.; 2016-10-12 to current/open; source msha-controller-operator-history