# Relationship history for MSHA mine 4609096

Current hierarchy: **Metinvest B V → Pocahontas Coal Company, LLC → Pocahontas Highwall Mine**

- 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

- **operator_operates_mine:** North Star One LLC → Pocahontas Highwall Mine; 2005-03-30 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** John W  Clifton II → Pocahontas Highwall Mine; 2005-03-30 to 2006-08-13; source msha-controller-operator-history
- **controller_controls_operator:** John W  Clifton II → North Star One LLC; 2005-03-30 to 2006-08-13; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Pocahontas Highwall Mine; 2005-11-15 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Pocahontas Highwall Mine; 2006-08-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → North Star One LLC; 2006-08-14 to 2009-04-29; source msha-controller-operator-history
- **operator_operates_mine:** North Star One LLC → Pocahontas Highwall Mine; 2009-04-30 to 2012-03-11; source msha-controller-operator-history
- **controller_controls_mine:** Metinvest B V → Pocahontas Highwall Mine; 2009-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → North Star One LLC; 2009-04-30 to 2012-03-11; source msha-controller-operator-history
- **operator_operates_mine:** Pocahontas Coal Company, LLC → Pocahontas Highwall Mine; 2012-03-12 to 2014-09-09; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → Pocahontas Coal Company, LLC; 2012-03-12 to 2014-09-09; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Pocahontas Coal Company, LLC; 2012-03-12 to 2009-04-29; source msha-controller-operator-history
- **operator_operates_mine:** Omega Highwall Mining Services, LLC → Pocahontas Highwall Mine; 2014-09-10 to 2014-09-25; source msha-controller-operator-history
- **controller_controls_mine:** Omega Holdings LLC → Pocahontas Highwall Mine; 2014-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Omega Holdings LLC → Omega Highwall Mining Services, LLC; 2014-09-10 to 2014-09-25; source msha-controller-operator-history
- **operator_operates_mine:** Pocahontas Coal Company, LLC → Pocahontas Highwall Mine; 2014-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → Pocahontas Coal Company, LLC; 2014-09-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Pocahontas Coal Company, LLC; 2014-09-26 to 2009-04-29; source msha-controller-operator-history