# Relationship history for MSHA mine 4609246

Current hierarchy: **Haghler LLC → Greenbrier Smokeless Coal Mining LLC → Kuhn Ridge**

- 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:** Andrew B  Jordon → Kuhn Ridge; 2001-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John B  Preece → Kuhn Ridge; 2007-01-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Midland Trail Resources, LLC → Kuhn Ridge; 2007-11-13 to 2008-05-15; source msha-controller-operator-history
- **controller_controls_mine:** Joseph C  Turley III et al → Kuhn Ridge; 2007-11-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph C  Turley III et al → Midland Trail Resources, LLC; 2007-11-13 to 2008-05-15; source msha-controller-operator-history
- **operator_operates_mine:** West Virginia Mine Power, Inc. → Kuhn Ridge; 2008-05-16 to 2016-09-22; source msha-controller-operator-history
- **controller_controls_operator:** John B  Preece → West Virginia Mine Power, Inc.; 2008-05-16 to 2016-09-22; source msha-controller-operator-history
- **controller_controls_mine:** Coronado Coal LLC → Kuhn Ridge; 2013-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Greenbrier Minerals, LLC → Kuhn Ridge; 2016-09-23 to 2016-12-04; source msha-controller-operator-history
- **controller_controls_operator:** Coronado Coal LLC → Greenbrier Minerals, LLC; 2016-09-23 to 2016-12-04; source msha-controller-operator-history
- **operator_operates_mine:** Long Flame Coal Corp → Kuhn Ridge; 2016-12-05 to 2017-08-13; source msha-controller-operator-history
- **controller_controls_operator:** Andrew B  Jordon → Long Flame Coal Corp; 2016-12-05 to 2017-08-13; source msha-controller-operator-history
- **operator_operates_mine:** Greenbrier Minerals, LLC → Kuhn Ridge; 2017-08-14 to 2025-01-20; source msha-controller-operator-history
- **controller_controls_operator:** Coronado Coal LLC → Greenbrier Minerals, LLC; 2017-08-14 to 2025-01-20; source msha-controller-operator-history
- **operator_operates_mine:** Greenbrier Smokeless Coal Mining LLC → Kuhn Ridge; 2025-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Haghler LLC → Kuhn Ridge; 2025-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Haghler LLC → Greenbrier Smokeless Coal Mining LLC; 2025-01-21 to current/open; source msha-controller-operator-history