# Relationship history for MSHA mine 4605721

Current hierarchy: **Paul R  Phillips; Malcolm  Phillips → Long Flame Coal Company Inc → No 25-B**

- 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:** Siderius Inc → No 25-B; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Powellton Company → No 25-B; 1978-02-01 to 1981-03-17; source msha-controller-operator-history
- **controller_controls_operator:** Siderius Inc → Powellton Company; 1978-02-01 to 1981-03-17; source msha-controller-operator-history
- **controller_controls_mine:** Carey  Cline et al → No 25-B; 1981-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kara Coal Corp → No 25-B; 1981-03-18 to 1982-02-28; source msha-controller-operator-history
- **controller_controls_operator:** Carey  Cline et al → Kara Coal Corp; 1981-03-18 to 1982-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Paul R  Phillips et al → No 25-B; 1981-12-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Long Flame Coal Company Inc → No 25-B; 1982-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul R  Phillips et al → Long Flame Coal Company Inc; 1982-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Malcolm  Phillips et al → Long Flame Coal Company Inc; 1982-03-01 to current/open; source msha-controller-operator-history