# Relationship history for MSHA mine 4602827

Current hierarchy: **Mohegan Energy Trustees LLC → Star Services, LLC → McComas Processing Facility**

- 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

- **operator_operates_mine:** Consolidation Coal Company → McComas Processing Facility; 1950-01-01 to 2014-07-01; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → McComas Processing Facility; 1950-01-01 to 2013-12-04; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consolidation Coal Company; 1950-01-01 to 2013-12-04; source msha-controller-operator-history
- **controller_controls_mine:** Richard G  Preservati II → McComas Processing Facility; 2013-08-30 to 2018-05-15; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → McComas Processing Facility; 2013-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Consolidation Coal Company; 2013-12-05 to 2014-07-01; source msha-controller-operator-history
- **operator_operates_mine:** Star Services, LLC → McComas Processing Facility; 2014-07-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard G  Preservati II → Star Services, LLC; 2014-07-02 to 2018-05-15; source msha-controller-operator-history
- **controller_controls_mine:** Mohegan Energy Trustees LLC → McComas Processing Facility; 2018-05-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mohegan Energy Trustees LLC → Star Services, LLC; 2018-05-16 to current/open; source msha-controller-operator-history