# Relationship history for MSHA mine 1514535

Current hierarchy: **Billy M  Ward → Haddix Mining & Developing Corp-Ky → 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:** Trimble Brenda → No 1; 1984-01-12 to 1987-03-03; source msha-controller-operator-history
- **operator_operates_mine:** Jaymar Mining Inc → No 1; 1984-04-01 to 1985-03-13; source msha-controller-operator-history
- **controller_controls_operator:** Trimble Brenda → Jaymar Mining Inc; 1984-04-01 to 1985-03-13; source msha-controller-operator-history
- **operator_operates_mine:** Haddix Mining & Developing Corp-Ky → No 1; 1985-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Billy M  Ward → No 1; 1985-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Billy M  Ward → Haddix Mining & Developing Corp-Ky; 1985-03-14 to current/open; source msha-controller-operator-history