# Relationship history for MSHA mine 4002708

Current hierarchy: **David G  Teague; Fred E  Teague → Teague Transports LLC → Teague Transports**

- 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:** Euther Davidson → Teague Transports; 1981-04-01 to 1984-05-07; source msha-controller-operator-history
- **controller_controls_mine:** Euther  Davidson → Teague Transports; 1981-04-01 to 1984-05-07; source msha-controller-operator-history
- **controller_controls_operator:** Euther  Davidson → Euther Davidson; 1981-04-01 to 1984-05-07; source msha-controller-operator-history
- **operator_operates_mine:** Teague Transports LLC → Teague Transports; 1984-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fred E  Teague et al → Teague Transports; 1984-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fred E  Teague et al → Teague Transports LLC; 1984-05-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David G  Teague et al → Teague Transports LLC; 1984-05-08 to current/open; source msha-controller-operator-history