# Relationship history for MSHA mine 1518893

Current hierarchy: **U S Coal Corporation → Fox Knob Coal Company, Inc. → #8 Wallins Creek Strip**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Aubra P  Dean et al → #8 Wallins Creek Strip; 1984-07-01 to 2008-04-17; source msha-controller-operator-history
- **controller_controls_mine:** Donnie  Teague → #8 Wallins Creek Strip; 1986-12-01 to 2005-06-20; source msha-controller-operator-history
- **controller_controls_mine:** Ronnie D  Jackson → #8 Wallins Creek Strip; 2005-06-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fox Knob Coal Co, Inc. → #8 Wallins Creek Strip; 2005-06-28 to 2011-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Aubra P  Dean et al → Fox Knob Coal Co, Inc.; 2005-06-28 to 2008-04-17; source msha-controller-operator-history
- **controller_controls_operator:** Carl E  McAfee et al → Fox Knob Coal Co, Inc.; 2005-06-28 to 2008-04-17; source msha-controller-operator-history
- **controller_controls_mine:** U S Coal Corporation → #8 Wallins Creek Strip; 2008-04-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** U S Coal Corporation → Fox Knob Coal Co, Inc.; 2008-04-18 to 2011-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Twin Star Coal Company, Inc. → #8 Wallins Creek Strip; 2011-12-01 to 2013-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Ronnie D  Jackson → Twin Star Coal Company, Inc.; 2011-12-01 to 2013-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Donnie  Teague → Twin Star Coal Company, Inc.; 2011-12-01 to 2005-06-20; source msha-controller-operator-history
- **operator_operates_mine:** Fox Knob Coal Company, Inc. → #8 Wallins Creek Strip; 2013-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** U S Coal Corporation → Fox Knob Coal Company, Inc.; 2013-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl E  McAfee et al → Fox Knob Coal Company, Inc.; 2013-07-01 to 2008-04-17; source msha-controller-operator-history
- **controller_controls_operator:** Aubra P  Dean et al → Fox Knob Coal Company, Inc.; 2013-07-01 to 2008-04-17; source msha-controller-operator-history