# Relationship history for MSHA mine 1300910

Current hierarchy: **G A  Finley → G A Finley Inc → Oakland Plant**

- 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

- **operator_operates_mine:** G A Finley Inc → Oakland Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** G A  Finley → Oakland Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** G A  Finley → G A Finley Inc; 1950-01-01 to current/open; source msha-controller-operator-history