# Relationship history for MSHA mine 1514264

Current hierarchy: **Jones Robert J & Estill Lunsford → Silver Creek Mining Inc → #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

- **operator_operates_mine:** Silver Creek Mining Inc → #1; 1983-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jones Robert J & Estill Lunsford → #1; 1983-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jones Robert J & Estill Lunsford → Silver Creek Mining Inc; 1983-10-01 to current/open; source msha-controller-operator-history