# Relationship history for MSHA mine 3303370

Current hierarchy: **Bates Gene D → Seneca Mining Company Inc → Branch No 1 Strip**

- 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:** Bates Gene D → Branch No 1 Strip; 1974-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Seneca Mining Company Inc → Branch No 1 Strip; 1975-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bates Gene D → Seneca Mining Company Inc; 1975-09-25 to current/open; source msha-controller-operator-history
