# Relationship history for MSHA mine 4605152

Current hierarchy: **Terry T  McGaffee → Caro Coal Company 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Carpenter Frank → No 1; 1975-12-18 to 1985-08-02; source msha-controller-operator-history
- **operator_operates_mine:** South Bank Coal Company Inc → No 1; 1976-01-01 to 1985-08-02; source msha-controller-operator-history
- **controller_controls_operator:** Carpenter Frank → South Bank Coal Company Inc; 1976-01-01 to 1985-08-02; source msha-controller-operator-history
- **operator_operates_mine:** Caro Coal Company Inc → No 1; 1985-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terry T  McGaffee → No 1; 1985-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry T  McGaffee → Caro Coal Company Inc; 1985-08-03 to current/open; source msha-controller-operator-history