# Relationship history for MSHA mine 1518377

Current hierarchy: **Phoenix Coal Corporation → C & R Coal Company Inc → Beech Creek 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

- **operator_operates_mine:** C & R Coal Company Inc → Beech Creek Mine; 2001-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jonathan L  Rogers et al → Beech Creek Mine; 2001-05-01 to 2008-08-05; source msha-controller-operator-history
- **controller_controls_operator:** Jonathan L  Rogers et al → C & R Coal Company Inc; 2001-05-01 to 2008-08-05; source msha-controller-operator-history
- **controller_controls_operator:** Howard  Covington et al → C & R Coal Company Inc; 2001-05-01 to 2008-08-05; source msha-controller-operator-history
- **controller_controls_mine:** Phoenix Coal Corporation → Beech Creek Mine; 2008-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Phoenix Coal Corporation → C & R Coal Company Inc; 2008-08-06 to current/open; source msha-controller-operator-history