# Relationship history for MSHA mine 4609321

Current hierarchy: **Michael  Day → Dirtworx Mining LLC → Auger 34**

- 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 A  Betscher Et Al → Auger 34; 1979-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** WCA Coal Augering, Inc. → Auger 34; 2008-12-01 to 2013-01-15; source msha-controller-operator-history
- **controller_controls_operator:** David A  Betscher Et Al → WCA Coal Augering, Inc.; 2008-12-01 to 2013-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Lloyd K  Damron → Auger 34; 2011-12-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** MJK Mining Inc → Auger 34; 2013-01-16 to 2013-06-25; source msha-controller-operator-history
- **controller_controls_operator:** Lloyd K  Damron → MJK Mining Inc; 2013-01-16 to 2013-06-25; source msha-controller-operator-history
- **operator_operates_mine:** Adams & Burke Contractors & Developers, LLC. → Auger 34; 2013-06-26 to 2013-07-23; source msha-controller-operator-history
- **controller_controls_mine:** Tim  Burke et al → Auger 34; 2013-06-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tim  Burke et al → Adams & Burke Contractors & Developers, LLC.; 2013-06-26 to 2013-07-23; source msha-controller-operator-history
- **controller_controls_operator:** Terry L  Adams et al → Adams & Burke Contractors & Developers, LLC.; 2013-06-26 to 2013-07-23; source msha-controller-operator-history
- **operator_operates_mine:** MJK Mining Inc → Auger 34; 2013-07-24 to 2023-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Lloyd K  Damron → MJK Mining Inc; 2013-07-24 to 2023-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Dirtworx Mining LLC → Auger 34; 2023-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Day → Auger 34; 2023-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Day → Dirtworx Mining LLC; 2023-10-01 to current/open; source msha-controller-operator-history