# Relationship history for MSHA mine 1514009

Current hierarchy: **White Pascual R → Pat White Fuels Inc → Red Bird Surface**

- 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:** White Pascual R → Red Bird Surface; 1977-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pat White Fuels Inc → Red Bird Surface; 1983-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** White Pascual R → Pat White Fuels Inc; 1983-04-01 to current/open; source msha-controller-operator-history