# Relationship history for MSHA mine 4601390

Current hierarchy: **Paul R  Phillips; Malcolm  Phillips → Long Flame Coal Company Inc → Jane Ann No 17**

- 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:** Powellton Company → Jane Ann No 17; 1950-01-01 to 1981-11-11; source msha-controller-operator-history
- **controller_controls_mine:** Siderius Inc → Jane Ann No 17; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Siderius Inc → Powellton Company; 1950-01-01 to 1981-11-11; source msha-controller-operator-history
- **operator_operates_mine:** Buckhorn Mining Company → Jane Ann No 17; 1981-11-12 to 1981-12-29; source msha-controller-operator-history
- **controller_controls_mine:** Kirk Lawrence → Jane Ann No 17; 1981-11-12 to 1981-12-29; source msha-controller-operator-history
- **controller_controls_operator:** Kirk Lawrence → Buckhorn Mining Company; 1981-11-12 to 1981-12-29; source msha-controller-operator-history
- **operator_operates_mine:** Long Flame Coal Company Inc → Jane Ann No 17; 1981-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Malcolm  Phillips et al → Jane Ann No 17; 1981-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Malcolm  Phillips et al → Long Flame Coal Company Inc; 1981-12-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul R  Phillips et al → Long Flame Coal Company Inc; 1981-12-30 to current/open; source msha-controller-operator-history