# Relationship history for MSHA mine 3304019

Current hierarchy: **Fike Robert L → Yellow Creek Mining Inc → Yellow Creek Mine 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Yellow Creek Mining Inc → Yellow Creek Mine No 1; 1985-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fike Robert L → Yellow Creek Mine No 1; 1985-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fike Robert L → Yellow Creek Mining Inc; 1985-06-01 to current/open; source msha-controller-operator-history