# Relationship history for MSHA mine 4608873

Current hierarchy: **Metinvest B V → Pocahontas Coal Company LLC → East Gulf Preparation Plant**

- 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:** Left Fork Processing Llc → East Gulf Preparation Plant; 2001-01-01 to 2001-05-15; source msha-controller-operator-history
- **controller_controls_mine:** White Mountain Mining Co., LLC → East Gulf Preparation Plant; 2001-01-01 to 2001-05-15; source msha-controller-operator-history
- **controller_controls_operator:** White Mountain Mining Co., LLC → Left Fork Processing Llc; 2001-01-01 to 2001-05-15; source msha-controller-operator-history
- **operator_operates_mine:** Frontier Management Llc → East Gulf Preparation Plant; 2001-05-16 to 2005-09-11; source msha-controller-operator-history
- **controller_controls_mine:** Greg  Bailey → East Gulf Preparation Plant; 2001-05-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Greg  Bailey → Frontier Management Llc; 2001-05-16 to 2005-09-11; source msha-controller-operator-history
- **operator_operates_mine:** Shiloh Construction, LLC → East Gulf Preparation Plant; 2005-09-12 to 2005-10-18; source msha-controller-operator-history
- **controller_controls_mine:** White Mountain Mining Co., LLC → East Gulf Preparation Plant; 2005-09-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** White Mountain Mining Co., LLC → Shiloh Construction, LLC; 2005-09-12 to 2005-10-18; source msha-controller-operator-history
- **operator_operates_mine:** Frontier Management LLC → East Gulf Preparation Plant; 2005-10-19 to 2005-11-14; source msha-controller-operator-history
- **controller_controls_operator:** Greg  Bailey → Frontier Management LLC; 2005-10-19 to 2005-11-14; source msha-controller-operator-history
- **operator_operates_mine:** Pocahontas Coal Company LLC → East Gulf Preparation Plant; 2005-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → East Gulf Preparation Plant; 2005-11-15 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Pocahontas Coal Company LLC; 2005-11-15 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_mine:** Metinvest B V → East Gulf Preparation Plant; 2009-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → Pocahontas Coal Company LLC; 2009-04-30 to current/open; source msha-controller-operator-history