# Relationship history for MSHA mine 1519737

Current hierarchy: **Jeffery A  Hoops → Revelation Energy, LLC → D-5**

- 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:** Curtis  Laws → D-5; 2008-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → D-5; 2009-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** U S Coal Corporation → D-5; 2011-06-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Harlan County Mining LLC → D-5; 2014-02-05 to 2014-06-29; source msha-controller-operator-history
- **controller_controls_operator:** U S Coal Corporation → Harlan County Mining LLC; 2014-02-05 to 2014-06-29; source msha-controller-operator-history
- **operator_operates_mine:** Owlco Energy, LLC → D-5; 2014-06-30 to 2015-04-22; source msha-controller-operator-history
- **controller_controls_operator:** Curtis  Laws → Owlco Energy, LLC; 2014-06-30 to 2015-04-22; source msha-controller-operator-history
- **operator_operates_mine:** Revelation Energy, LLC → D-5; 2015-04-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Revelation Energy, LLC; 2015-04-23 to current/open; source msha-controller-operator-history