# Relationship history for MSHA mine 4609042

Current hierarchy: **James O  Bunn; Franklin D  Robertson → Coal River Mining LLC → Fork Creek Mine No 3**

- 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:** Franklin D  Robertson  et al → Fork Creek Mine No 3; 2003-07-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal River Mining LLC → Fork Creek Mine No 3; 2004-05-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Franklin D  Robertson  et al → Coal River Mining LLC; 2004-05-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James O  Bunn  et al → Coal River Mining LLC; 2004-05-11 to current/open; source msha-controller-operator-history
