# Relationship history for MSHA mine 3609189

Current hierarchy: **Robert E  Elkin → E.E. & S. Auger Mining Inc. → 3163**

- 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:** Robert E  Elkin → 3163; 2003-12-17 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B & M Augering, Inc. → 3163; 2004-01-07 to 2008-05-05; source msha-controller-operator-history
- **controller_controls_mine:** Roger L  Miller → 3163; 2004-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger L  Miller → B & M Augering, Inc.; 2004-01-07 to 2008-05-05; source msha-controller-operator-history
- **controller_controls_mine:** Jason  Miller → 3163; 2007-10-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J C Drilling & Ditching → 3163; 2008-05-06 to 2011-08-14; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Miller → J C Drilling & Ditching; 2008-05-06 to 2011-08-14; source msha-controller-operator-history
- **operator_operates_mine:** WV Industrial Services, Inc. → 3163; 2011-08-15 to 2014-04-03; source msha-controller-operator-history
- **controller_controls_mine:** John W  Preece → 3163; 2011-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John W  Preece → WV Industrial Services, Inc.; 2011-08-15 to 2014-04-03; source msha-controller-operator-history
- **operator_operates_mine:** J C Drilling & Ditching → 3163; 2014-04-04 to 2019-05-05; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Miller → J C Drilling & Ditching; 2014-04-04 to 2019-05-05; source msha-controller-operator-history
- **operator_operates_mine:** E.E. & S. Auger Mining Inc. → 3163; 2019-05-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Elkin → E.E. & S. Auger Mining Inc.; 2019-05-06 to current/open; source msha-controller-operator-history