# Relationship history for MSHA mine 4403932

Current hierarchy: **Robert E  Murray → Consolidation Coal Company → Miles Branch 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Consolidation Coal Co & Inland Steel Co → Miles Branch Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Miles Branch Mine; 1950-01-01 to 2013-12-04; source msha-controller-operator-history
- **operator_operates_mine:** Bishop Coal Company → Miles Branch Mine; 1975-01-01 to 2002-04-17; source msha-controller-operator-history
- **controller_controls_operator:** Consolidation Coal Co & Inland Steel Co → Bishop Coal Company; 1975-01-01 to 2002-04-17; source msha-controller-operator-history
- **controller_controls_mine:** Richard F  Baugh → Miles Branch Mine; 1996-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Corbin Collieries, Inc. → Miles Branch Mine; 2002-04-18 to 2003-01-06; source msha-controller-operator-history
- **controller_controls_operator:** Richard F  Baugh → Corbin Collieries, Inc.; 2002-04-18 to 2003-01-06; source msha-controller-operator-history
- **operator_operates_mine:** BC Mining, Inc. → Miles Branch Mine; 2003-01-07 to 2003-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Ronald  Combs et al → Miles Branch Mine; 2003-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronald  Combs et al → BC Mining, Inc.; 2003-01-07 to 2003-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Consolidation Coal Company → Miles Branch Mine; 2003-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consolidation Coal Company; 2003-05-01 to 2013-12-04; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Miles Branch Mine; 2013-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Consolidation Coal Company; 2013-12-05 to current/open; source msha-controller-operator-history