# Relationship history for MSHA mine 3503244

Current hierarchy: **Wyant Don → Diamond Rogue Mining & Timber Inc → Diamond Rogue**

- 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:** Diamond Rogue Mining & Timber Inc → Diamond Rogue; 1985-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wyant Don Et Al → Diamond Rogue; 1985-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wyant Don Et Al → Diamond Rogue Mining & Timber Inc; 1985-10-01 to current/open; source msha-controller-operator-history