# Relationship history for MSHA mine 4609107

Current hierarchy: **Patriot Coal Corporation → Midland Trail Energy LLC → Campbells Creek No 7 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

- **controller_controls_mine:** Ashland Inc et al → Campbells Creek No 7 Mine; 1989-08-01 to 2005-12-30; source msha-controller-operator-history
- **controller_controls_mine:** James O  Bunn  et al → Campbells Creek No 7 Mine; 1992-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Magnum Coal Company → Campbells Creek No 7 Mine; 2003-07-03 to 2008-07-22; source msha-controller-operator-history
- **operator_operates_mine:** Catenary Coal Company → Campbells Creek No 7 Mine; 2005-06-13 to 2005-10-24; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Catenary Coal Company; 2005-06-13 to 2005-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Eastco Mining L.P. → Campbells Creek No 7 Mine; 2005-10-25 to 2006-05-01; source msha-controller-operator-history
- **controller_controls_operator:** James O  Bunn  et al → Eastco Mining L.P.; 2005-10-25 to 2006-05-01; source msha-controller-operator-history
- **controller_controls_operator:** Franklin D  Robertson  et al → Eastco Mining L.P.; 2005-10-25 to 2006-05-01; source msha-controller-operator-history
- **controller_controls_mine:** Magnum Coal Company → Campbells Creek No 7 Mine; 2005-12-31 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Catenary Coal Company; 2005-12-31 to 2005-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Catenary Coal Company LLC → Campbells Creek No 7 Mine; 2006-05-02 to 2006-08-09; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Catenary Coal Company LLC; 2006-05-02 to 2006-08-09; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Catenary Coal Company LLC; 2006-05-02 to 2005-12-30; source msha-controller-operator-history
- **operator_operates_mine:** Remington LLC → Campbells Creek No 7 Mine; 2006-08-10 to 2008-03-17; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Remington LLC; 2006-08-10 to 2008-03-17; source msha-controller-operator-history
- **operator_operates_mine:** Midland Trail Energy LLC → Campbells Creek No 7 Mine; 2008-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Magnum Coal Company → Campbells Creek No 7 Mine; 2008-03-18 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Midland Trail Energy LLC; 2008-03-18 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Campbells Creek No 7 Mine; 2008-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Catenary Coal Company; 2008-07-23 to 2005-10-24; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Catenary Coal Company LLC; 2008-07-23 to 2006-08-09; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Remington LLC; 2008-07-23 to 2008-03-17; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Midland Trail Energy LLC; 2008-07-23 to current/open; source msha-controller-operator-history