# Relationship history for MSHA mine 1517572

Current hierarchy: **James H  Booth → Capricorn Coal Company Inc → No 9**

- 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:** James H  Booth et al → No 9; 1984-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Capricorn Coal Company Inc → No 9; 1994-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Capricorn Coal Company Inc; 1994-07-01 to current/open; source msha-controller-operator-history