# Relationship history for MSHA mine 1519645

Current hierarchy: **Jeffery A  Hoops → Revelation Energy, LLC → S-27 Bluegrass**

- 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:** Jeffery A  Hoops → S-27 Bluegrass; 2009-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Xinergy Ltd → S-27 Bluegrass; 2009-05-12 to 2013-02-04; source msha-controller-operator-history
- **operator_operates_mine:** Big Run Mining, Inc. → S-27 Bluegrass; 2012-02-13 to 2013-02-10; source msha-controller-operator-history
- **controller_controls_operator:** Xinergy Ltd → Big Run Mining, Inc.; 2012-02-13 to 2013-02-04; source msha-controller-operator-history
- **controller_controls_mine:** JW Resources Inc → S-27 Bluegrass; 2013-02-05 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Straight Creek Coal Mining, Inc. → S-27 Bluegrass; 2013-02-11 to 2015-10-12; source msha-controller-operator-history
- **controller_controls_operator:** JW Resources Inc → Straight Creek Coal Mining, Inc.; 2013-02-11 to 2015-10-12; source msha-controller-operator-history
- **operator_operates_mine:** Revelation Energy, LLC → S-27 Bluegrass; 2015-10-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Revelation Energy, LLC; 2015-10-13 to current/open; source msha-controller-operator-history