# Relationship history for MSHA mine 0404463

Current hierarchy: **Nicholls Joseph A → Seneca Gold Mining Company → Indian Creek Phase A**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Nicholls Joseph A Et Al → Indian Creek Phase A; 1980-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Seneca Gold Mining Company → Indian Creek Phase A; 1980-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nicholls Joseph A Et Al → Seneca Gold Mining Company; 1980-10-01 to current/open; source msha-controller-operator-history