# Relationship history for MSHA mine 4606427

Current hierarchy: **Carey  Cline → Brandy Mining Inc → No 1**

- 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:** Sanson Herschel → No 1; 1979-05-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** H & J Coal Company → No 1; 1981-10-01 to 1983-05-08; source msha-controller-operator-history
- **controller_controls_operator:** Sanson Herschel → H & J Coal Company; 1981-10-01 to 1983-05-08; source msha-controller-operator-history
- **operator_operates_mine:** Brandy Mining Inc → No 1; 1983-05-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Carey  Cline et al → No 1; 1983-05-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carey  Cline et al → Brandy Mining Inc; 1983-05-09 to current/open; source msha-controller-operator-history