# Relationship history for MSHA mine 4607419

Current hierarchy: **Earvin K  Church II → Red Oak Mining Inc → Mine 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Red Oak Mining Inc → Mine No 1; 1987-12-01 to 1988-09-29; source msha-controller-operator-history
- **controller_controls_mine:** Salyers Russell → Mine No 1; 1987-12-01 to 1988-09-29; source msha-controller-operator-history
- **controller_controls_operator:** Salyers Russell → Red Oak Mining Inc; 1987-12-01 to 1988-09-29; source msha-controller-operator-history
- **operator_operates_mine:** Red Oak Mining Inc → Mine No 1; 1988-09-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Earvin K  Church II → Mine No 1; 1988-09-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Earvin K  Church II → Red Oak Mining Inc; 1988-09-30 to current/open; source msha-controller-operator-history